1 | ## oils_failures_allowed: 2
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2 | ## compare_shells: dash bash mksh zsh ash
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3 |
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4 |
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5 | # echo, read, mapfile
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6 | # TODO mapfile options: -c, -C, -u, etc.
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7 |
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8 | #### echo dashes
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9 | echo -
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10 | echo --
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11 | echo ---
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12 | ## stdout-json: "-\n--\n---\n"
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13 | ## BUG zsh stdout-json: "\n--\n---\n"
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14 |
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15 | #### echo backslashes
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16 | echo \\
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17 | echo '\'
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18 | echo '\\'
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19 | echo "\\"
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20 | ## STDOUT:
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21 | \
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22 | \
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23 | \\
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24 | \
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25 | ## BUG dash/mksh/zsh STDOUT:
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26 | \
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27 | \
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28 | \
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29 | \
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30 | ## END
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31 |
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32 | #### echo -e backslashes
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33 | echo -e \\
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34 | echo -e '\'
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35 | echo -e '\\'
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36 | echo -e "\\"
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37 | echo
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38 |
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39 | # backslash at end of line
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40 | echo -e '\
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41 | line2'
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42 | ## STDOUT:
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43 | \
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44 | \
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45 | \
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46 | \
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47 |
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48 | \
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49 | line2
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50 | ## N-I dash STDOUT:
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51 | -e \
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52 | -e \
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53 | -e \
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54 | -e \
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55 |
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56 | -e \
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57 | line2
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58 | ## END
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59 |
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60 | #### echo builtin should disallow typed args - literal
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61 | echo (42)
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62 | ## status: 2
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63 | ## OK mksh/zsh status: 1
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64 | ## STDOUT:
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65 | ## END
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66 |
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67 | #### echo builtin should disallow typed args - variable
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68 | var x = 43
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69 | echo (x)
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70 | ## status: 2
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71 | ## OK mksh/zsh status: 1
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72 | ## STDOUT:
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73 | ## END
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74 |
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75 | #### echo -en
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76 | echo -en 'abc\ndef\n'
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77 | ## stdout-json: "abc\ndef\n"
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78 | ## N-I dash stdout-json: "-en abc\ndef\n\n"
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79 |
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80 | #### echo -ez (invalid flag)
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81 | # bash differs from the other three shells, but its behavior is possibly more
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82 | # sensible, if you're going to ignore the error. It doesn't make sense for
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83 | # the 'e' to mean 2 different things simultaneously: flag and literal to be
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84 | # printed.
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85 | echo -ez 'abc\n'
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86 | ## stdout-json: "-ez abc\\n\n"
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87 | ## OK dash/mksh/zsh stdout-json: "-ez abc\n\n"
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88 |
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89 | #### echo -e with embedded newline
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90 | flags='-e'
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91 | case $SH in dash) flags='' ;; esac
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92 |
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93 | echo $flags 'foo
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94 | bar'
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95 | ## STDOUT:
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96 | foo
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97 | bar
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98 | ## END
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99 |
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100 | #### echo -e line continuation
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101 | flags='-e'
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102 | case $SH in dash) flags='' ;; esac
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103 |
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104 | echo $flags 'foo\
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105 | bar'
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106 | ## STDOUT:
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107 | foo\
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108 | bar
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109 | ## END
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110 |
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111 | #### echo -e with C escapes
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112 | # https://www.gnu.org/software/bash/manual/bashref.html#Bourne-Shell-Builtins
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113 | # not sure why \c is like NUL?
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114 | # zsh doesn't allow \E for some reason.
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115 | echo -e '\a\b\d\e\f'
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116 | ## stdout-json: "\u0007\u0008\\d\u001b\u000c\n"
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117 | ## N-I dash stdout-json: "-e \u0007\u0008\\d\\e\u000c\n"
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118 |
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119 | #### echo -e with whitespace C escapes
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120 | echo -e '\n\r\t\v'
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121 | ## stdout-json: "\n\r\t\u000b\n"
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122 | ## N-I dash stdout-json: "-e \n\r\t\u000b\n"
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123 |
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124 | #### \0
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125 | echo -e 'ab\0cd'
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126 | ## stdout-json: "ab\u0000cd\n"
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127 | ## N-I dash stdout-json: "-e ab\u0000cd\n"
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128 |
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129 | #### \c stops processing input
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130 | flags='-e'
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131 | case $SH in dash) flags='' ;; esac
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132 |
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133 | echo $flags xy 'ab\cde' 'zzz'
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134 | ## stdout-json: "xy ab"
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135 | ## N-I mksh stdout-json: "xy abde zzz"
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136 |
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137 | #### echo -e with hex escape
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138 | echo -e 'abcd\x65f'
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139 | ## stdout-json: "abcdef\n"
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140 | ## N-I dash stdout-json: "-e abcd\\x65f\n"
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141 |
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142 | #### echo -e with octal escape
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143 | flags='-e'
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144 | case $SH in dash) flags='' ;; esac
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145 |
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146 | echo $flags 'abcd\044e'
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147 | ## stdout-json: "abcd$e\n"
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148 |
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149 | #### echo -e with 4 digit unicode escape
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150 | flags='-e'
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151 | case $SH in dash) flags='' ;; esac
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152 |
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153 | echo $flags 'abcd\u0065f'
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154 | ## STDOUT:
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155 | abcdef
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156 | ## END
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157 | ## N-I dash/ash stdout-json: "abcd\\u0065f\n"
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158 |
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159 | #### echo -e with 8 digit unicode escape
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160 | flags='-e'
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161 | case $SH in dash) flags='' ;; esac
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162 |
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163 | echo $flags 'abcd\U00000065f'
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164 | ## STDOUT:
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165 | abcdef
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166 | ## END
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167 | ## N-I dash/ash stdout-json: "abcd\\U00000065f\n"
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168 |
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169 | #### \0377 is the highest octal byte
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170 | echo -en '\03777' | od -A n -t x1 | sed 's/ \+/ /g'
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171 | ## stdout-json: " ff 37\n"
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172 | ## N-I dash stdout-json: " 2d 65 6e 20 ff 37 0a\n"
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173 |
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174 | #### \0400 is one more than the highest octal byte
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175 | # It is 256 % 256 which gets interpreted as a NUL byte.
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176 | echo -en '\04000' | od -A n -t x1 | sed 's/ \+/ /g'
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177 | ## stdout-json: " 00 30\n"
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178 | ## BUG ash stdout-json: " 20 30 30\n"
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179 | ## N-I dash stdout-json: " 2d 65 6e 20 00 30 0a\n"
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180 |
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181 | #### \0777 is out of range
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182 | flags='-en'
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183 | case $SH in dash) flags='-n' ;; esac
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184 |
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185 | echo $flags '\0777' | od -A n -t x1 | sed 's/ \+/ /g'
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186 | ## stdout-json: " ff\n"
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187 | ## BUG mksh stdout-json: " c3 bf\n"
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188 | ## BUG ash stdout-json: " 3f 37\n"
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189 |
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190 | #### incomplete hex escape
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191 | echo -en 'abcd\x6' | od -A n -c | sed 's/ \+/ /g'
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192 | ## stdout-json: " a b c d 006\n"
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193 | ## N-I dash stdout-json: " - e n a b c d \\ x 6 \\n\n"
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194 |
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195 | #### \x
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196 | # I consider mksh and zsh a bug because \x is not an escape
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197 | echo -e '\x' '\xg' | od -A n -c | sed 's/ \+/ /g'
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198 | ## stdout-json: " \\ x \\ x g \\n\n"
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199 | ## N-I dash stdout-json: " - e \\ x \\ x g \\n\n"
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200 | ## BUG mksh/zsh stdout-json: " \\0 \\0 g \\n\n"
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201 |
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202 | #### incomplete octal escape
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203 | flags='-en'
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204 | case $SH in dash) flags='-n' ;; esac
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205 |
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206 | echo $flags 'abcd\04' | od -A n -c | sed 's/ \+/ /g'
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207 | ## stdout-json: " a b c d 004\n"
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208 |
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209 | #### incomplete unicode escape
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210 | echo -en 'abcd\u006' | od -A n -c | sed 's/ \+/ /g'
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211 | ## stdout-json: " a b c d 006\n"
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212 | ## N-I dash stdout-json: " - e n a b c d \\ u 0 0 6 \\n\n"
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213 | ## BUG ash stdout-json: " a b c d \\ u 0 0 6\n"
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214 |
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215 | #### \u6
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216 | flags='-en'
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217 | case $SH in dash) flags='-n' ;; esac
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218 |
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219 | echo $flags '\u6' | od -A n -c | sed 's/ \+/ /g'
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220 | ## stdout-json: " 006\n"
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221 | ## N-I dash/ash stdout-json: " \\ u 6\n"
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222 |
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223 | #### \0 \1 \8
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224 | # \0 is special, but \1 isn't in bash
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225 | # \1 is special in dash! geez
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226 | flags='-en'
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227 | case $SH in dash) flags='-n' ;; esac
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228 |
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229 | echo $flags '\0' '\1' '\8' | od -A n -c | sed 's/ \+/ /g'
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230 | ## stdout-json: " \\0 \\ 1 \\ 8\n"
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231 | ## BUG dash/ash stdout-json: " \\0 001 \\ 8\n"
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232 |
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233 | #### Read builtin
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234 | # NOTE: there are TABS below
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235 | read x <<EOF
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236 | A B C D E
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237 | FG
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238 | EOF
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239 | echo "[$x]"
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240 | ## stdout: [A B C D E]
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241 | ## status: 0
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242 |
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243 | #### Read from empty file
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244 | echo -n '' > $TMP/empty.txt
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245 | read x < $TMP/empty.txt
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246 | argv.py "status=$?" "$x"
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247 |
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248 | # No variable name, behaves the same
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249 | read < $TMP/empty.txt
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250 | argv.py "status=$?" "$REPLY"
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251 |
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252 | ## STDOUT:
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253 | ['status=1', '']
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254 | ['status=1', '']
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255 | ## END
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256 | ## OK dash STDOUT:
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257 | ['status=1', '']
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258 | ['status=2', '']
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259 | ## END
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260 | ## status: 0
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261 |
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262 | #### read /dev/null
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263 | read -n 1 </dev/null
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264 | echo $?
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265 | ## STDOUT:
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266 | 1
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267 | ## END
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268 | ## OK dash stdout: 2
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269 |
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270 | #### read with zero args
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271 | echo | read
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272 | echo status=$?
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273 | ## STDOUT:
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274 | status=0
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275 | ## END
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276 | ## BUG dash STDOUT:
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277 | status=2
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278 | ## END
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279 |
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280 | #### Read builtin with no newline.
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281 | # This is odd because the variable is populated successfully. OSH/Oil might
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282 | # need a separate put reading feature that doesn't use IFS.
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283 | echo -n ZZZ | { read x; echo $?; echo $x; }
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284 | ## stdout-json: "1\nZZZ\n"
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285 | ## status: 0
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286 |
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287 | #### Read builtin with multiple variables
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288 | # NOTE: there are TABS below
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289 | read x y z <<EOF
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290 | A B C D E
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291 | FG
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292 | EOF
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293 | echo "[$x/$y/$z]"
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294 | ## stdout: [A/B/C D E]
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295 | ## status: 0
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296 |
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297 | #### Read builtin with not enough variables
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298 | set -o errexit
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299 | set -o nounset # hm this doesn't change it
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300 | read x y z <<EOF
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301 | A B
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302 | EOF
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303 | echo /$x/$y/$z/
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304 | ## stdout: /A/B//
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305 | ## status: 0
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306 |
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307 | #### Read -n (with $REPLY)
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308 | echo 12345 > $TMP/readn.txt
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309 | read -n 4 x < $TMP/readn.txt
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310 | read -n 2 < $TMP/readn.txt # Do it again with no variable
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311 | argv.py $x $REPLY
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312 | ## stdout: ['1234', '12']
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313 | ## N-I dash/zsh stdout: []
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314 |
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315 | #### IFS= read -n (OSH regression: value saved in tempenv)
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316 | echo XYZ > "$TMP/readn.txt"
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317 | IFS= TMOUT= read -n 1 char < "$TMP/readn.txt"
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318 | argv.py "$char"
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319 | ## stdout: ['X']
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320 | ## N-I dash/zsh stdout: ['']
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321 |
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322 | #### read -n with invalid arg
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323 | read -n not_a_number
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324 | echo status=$?
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325 | ## stdout: status=2
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326 | ## OK bash stdout: status=1
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327 | ## N-I zsh stdout-json: ""
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328 |
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329 | #### read -n from pipe
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330 | case $SH in (dash|ash|zsh) exit ;; esac
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331 |
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332 | echo abcxyz | { read -n 3; echo reply=$REPLY; }
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333 | ## status: 0
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334 | ## stdout: reply=abc
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335 | ## N-I dash/ash/zsh stdout-json: ""
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336 |
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337 | # zsh appears to hang with -k
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338 | ## N-I zsh stdout-json: ""
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339 |
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340 | #### Read uses $REPLY (without -n)
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341 | echo 123 > $TMP/readreply.txt
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342 | read < $TMP/readreply.txt
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343 | echo $REPLY
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344 | ## stdout: 123
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345 | ## N-I dash stdout:
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346 |
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347 | #### read -n vs. -N
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348 | # dash, ash and zsh do not implement read -N
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349 | # mksh treats -N exactly the same as -n
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350 | case $SH in (dash|ash|zsh) exit ;; esac
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351 |
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352 | # bash docs: https://www.gnu.org/software/bash/manual/html_node/Bash-Builtins.html
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353 |
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354 | echo 'a b c' > $TMP/readn.txt
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355 |
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356 | echo 'read -n'
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357 | read -n 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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358 | read -n 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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359 | echo
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360 |
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361 | echo 'read -N'
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362 | read -N 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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363 | read -N 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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364 | ## STDOUT:
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365 | read -n
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366 | 'a' 'b' 'c'
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367 | 'a' 'b' ''
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368 |
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369 | read -N
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370 | 'a b c' '' ''
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371 | 'a b ' '' ''
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372 | ## END
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373 | ## N-I dash/ash/zsh stdout-json: ""
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374 | ## BUG mksh STDOUT:
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375 | read -n
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376 | 'a' 'b' 'c'
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377 | 'a' 'b' ''
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378 |
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379 | read -N
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380 | 'a' 'b' 'c'
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381 | 'a' 'b' ''
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382 | ## END
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383 |
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384 | #### read -N ignores delimiters
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385 | case $SH in (dash|ash|zsh) exit ;; esac
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386 |
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387 | echo $'a\nb\nc' > $TMP/read-lines.txt
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388 |
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389 | read -N 3 out < $TMP/read-lines.txt
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390 | echo "$out"
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391 | ## STDOUT:
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392 | a
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393 | b
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394 | ## END
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395 | ## N-I dash/ash/zsh stdout-json: ""
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396 |
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397 | #### read will unset extranous vars
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398 |
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399 | echo 'a b' > $TMP/read-few.txt
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400 |
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401 | c='some value'
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402 | read a b c < $TMP/read-few.txt
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403 | echo "'$a' '$b' '$c'"
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404 |
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405 | case $SH in (dash) exit ;; esac # dash does not implement -n
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406 |
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407 | c='some value'
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408 | read -n 3 a b c < $TMP/read-few.txt
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409 | echo "'$a' '$b' '$c'"
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410 | ## STDOUT:
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411 | 'a' 'b' ''
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412 | 'a' 'b' ''
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413 | ## END
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414 | ## N-I dash STDOUT:
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415 | 'a' 'b' ''
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416 | ## END
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417 | ## BUG zsh STDOUT:
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418 | 'a' 'b' ''
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419 | 'b' '' ''
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420 | ## END
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421 |
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422 | #### read -r ignores backslashes
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423 | echo 'one\ two' > $TMP/readr.txt
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424 | read escaped < $TMP/readr.txt
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425 | read -r raw < $TMP/readr.txt
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426 | argv.py "$escaped" "$raw"
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427 | ## stdout: ['one two', 'one\\ two']
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428 |
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429 | #### read -r with other backslash escapes
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430 | echo 'one\ two\x65three' > $TMP/readr.txt
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431 | read escaped < $TMP/readr.txt
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432 | read -r raw < $TMP/readr.txt
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433 | argv.py "$escaped" "$raw"
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434 | # mksh respects the hex escapes here, but other shells don't!
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435 | ## stdout: ['one twox65three', 'one\\ two\\x65three']
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436 | ## BUG mksh/zsh stdout: ['one twoethree', 'one\\ twoethree']
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437 |
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438 | #### read with line continuation reads multiple physical lines
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439 | # NOTE: osh failing because of file descriptor issue. stdin has to be closed!
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440 | tmp=$TMP/$(basename $SH)-readr.txt
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441 | echo -e 'one\\\ntwo\n' > $tmp
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442 | read escaped < $tmp
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443 | read -r raw < $tmp
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444 | argv.py "$escaped" "$raw"
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445 | ## stdout: ['onetwo', 'one\\']
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446 | ## N-I dash stdout: ['-e onetwo', '-e one\\']
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447 |
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448 | #### read multiple vars spanning many lines
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449 | read x y << 'EOF'
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450 | one-\
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451 | two three-\
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452 | four five-\
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453 | six
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454 | EOF
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455 | argv.py "$x" "$y" "$z"
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456 | ## stdout: ['one-two', 'three-four five-six', '']
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457 |
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458 | #### read -r with \n
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459 | echo '\nline' > $TMP/readr.txt
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460 | read escaped < $TMP/readr.txt
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461 | read -r raw < $TMP/readr.txt
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462 | argv.py "$escaped" "$raw"
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463 | # dash/mksh/zsh are bugs because at least the raw mode should let you read a
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464 | # literal \n.
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465 | ## stdout: ['nline', '\\nline']
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466 | ## BUG dash/mksh/zsh stdout: ['', '']
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467 |
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468 | #### read -s from pipe, not a terminal
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469 | case $SH in (dash|zsh) exit ;; esac
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470 |
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471 | # It's hard to really test this because it requires a terminal. We hit a
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472 | # different code path when reading through a pipe. There can be bugs there
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473 | # too!
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474 |
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475 | echo foo | { read -s; echo $REPLY; }
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476 | echo bar | { read -n 2 -s; echo $REPLY; }
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477 |
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478 | # Hm no exit 1 here? Weird
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479 | echo b | { read -n 2 -s; echo $?; echo $REPLY; }
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480 | ## STDOUT:
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481 | foo
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482 | ba
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483 | 0
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484 | b
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485 | ## END
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486 | ## N-I dash/zsh stdout-json: ""
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487 |
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488 | #### Read with IFS=$'\n'
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489 | # The leading spaces are stripped if they appear in IFS.
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490 | IFS=$(echo -e '\n')
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491 | read var <<EOF
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492 | a b c
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493 | d e f
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494 | EOF
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495 | echo "[$var]"
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496 | ## stdout: [ a b c]
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497 | ## N-I dash stdout: [a b c]
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498 |
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499 | #### Read multiple lines with IFS=:
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500 | # The leading spaces are stripped if they appear in IFS.
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501 | # IFS chars are escaped with :.
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502 | tmp=$TMP/$(basename $SH)-read-ifs.txt
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503 | IFS=:
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504 | cat >$tmp <<'EOF'
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505 | \\a :b\: c:d\
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506 | e
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507 | EOF
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508 | read a b c d < $tmp
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509 | # Use printf because echo in dash/mksh interprets escapes, while it doesn't in
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510 | # bash.
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511 | printf "%s\n" "[$a|$b|$c|$d]"
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512 | ## stdout: [ \a |b: c|d e|]
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513 |
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514 | #### Read with IFS=''
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515 | IFS=''
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516 | read x y <<EOF
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517 | a b c d
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518 | EOF
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519 | echo "[$x|$y]"
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520 | ## stdout: [ a b c d|]
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521 |
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522 | #### Read should not respect C escapes.
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523 | # bash doesn't respect these, but other shells do. Gah! I think bash
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524 | # behavior makes more sense. It only escapes IFS.
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525 | echo '\a \b \c \d \e \f \g \h \x65 \145 \i' > $TMP/read-c.txt
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526 | read line < $TMP/read-c.txt
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527 | echo $line
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528 | ## stdout-json: "a b c d e f g h x65 145 i\n"
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529 | ## BUG ash stdout-json: "abcdefghx65 145 i\n"
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530 | ## BUG dash/zsh stdout-json: "\u0007 \u0008\n"
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531 | ## BUG mksh stdout-json: "\u0007 \u0008 d \u001b \u000c g h e 145 i\n"
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532 |
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533 | #### Read builtin uses dynamic scope
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534 | f() {
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535 | read head << EOF
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536 | ref: refs/heads/dev/andy
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537 | EOF
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538 | }
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539 | f
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540 | echo $head
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541 | ## STDOUT:
|
542 | ref: refs/heads/dev/andy
|
543 | ## END
|
544 |
|
545 | #### read -a reads into array
|
546 |
|
547 | # read -a is used in bash-completion
|
548 | # none of these shells implement it
|
549 | case $SH in
|
550 | *mksh|*dash|*zsh|*/ash)
|
551 | exit 2;
|
552 | ;;
|
553 | esac
|
554 |
|
555 | read -a myarray <<'EOF'
|
556 | a b c\ d
|
557 | EOF
|
558 | argv.py "${myarray[@]}"
|
559 |
|
560 | # arguments are ignored here
|
561 | read -r -a array2 extra arguments <<'EOF'
|
562 | a b c\ d
|
563 | EOF
|
564 | argv.py "${array2[@]}"
|
565 | argv.py "${extra[@]}"
|
566 | argv.py "${arguments[@]}"
|
567 | ## status: 0
|
568 | ## STDOUT:
|
569 | ['a', 'b', 'c d']
|
570 | ['a', 'b', 'c\\', 'd']
|
571 | []
|
572 | []
|
573 | ## END
|
574 | ## N-I dash/mksh/zsh/ash status: 2
|
575 | ## N-I dash/mksh/zsh/ash stdout-json: ""
|
576 |
|
577 | #### read -d : (colon-separated records)
|
578 | printf a,b,c:d,e,f:g,h,i | {
|
579 | IFS=,
|
580 | read -d : v1
|
581 | echo "v1=$v1"
|
582 | read -d : v1 v2
|
583 | echo "v1=$v1 v2=$v2"
|
584 | read -d : v1 v2 v3
|
585 | echo "v1=$v1 v2=$v2 v3=$v3"
|
586 | }
|
587 | ## STDOUT:
|
588 | v1=a,b,c
|
589 | v1=d v2=e,f
|
590 | v1=g v2=h v3=i
|
591 | ## END
|
592 | ## N-I dash STDOUT:
|
593 | v1=
|
594 | v1= v2=
|
595 | v1= v2= v3=
|
596 | ## END
|
597 |
|
598 | #### read -d '' (null-separated records)
|
599 | printf 'a,b,c\0d,e,f\0g,h,i' | {
|
600 | IFS=,
|
601 | read -d '' v1
|
602 | echo "v1=$v1"
|
603 | read -d '' v1 v2
|
604 | echo "v1=$v1 v2=$v2"
|
605 | read -d '' v1 v2 v3
|
606 | echo "v1=$v1 v2=$v2 v3=$v3"
|
607 | }
|
608 | ## STDOUT:
|
609 | v1=a,b,c
|
610 | v1=d v2=e,f
|
611 | v1=g v2=h v3=i
|
612 | ## END
|
613 | ## N-I dash STDOUT:
|
614 | v1=
|
615 | v1= v2=
|
616 | v1= v2= v3=
|
617 | ## END
|
618 |
|
619 | #### read -rd
|
620 | read -rd '' var <<EOF
|
621 | foo
|
622 | bar
|
623 | EOF
|
624 | echo "$var"
|
625 | ## STDOUT:
|
626 | foo
|
627 | bar
|
628 | ## END
|
629 | ## N-I dash stdout-json: "\n"
|
630 |
|
631 | #### read -d when there's no delimiter
|
632 | { read -d : part
|
633 | echo $part $?
|
634 | read -d : part
|
635 | echo $part $?
|
636 | } <<EOF
|
637 | foo:bar
|
638 | EOF
|
639 | ## STDOUT:
|
640 | foo 0
|
641 | bar 1
|
642 | ## END
|
643 | ## N-I dash STDOUT:
|
644 | 2
|
645 | 2
|
646 | ## END
|
647 |
|
648 | #### read -t 0 tests if input is available
|
649 | case $SH in (dash|zsh|mksh) exit ;; esac
|
650 |
|
651 | # is there input available?
|
652 | read -t 0 < /dev/null
|
653 | echo $?
|
654 |
|
655 | # floating point
|
656 | read -t 0.0 < /dev/null
|
657 | echo $?
|
658 |
|
659 | # floating point
|
660 | echo foo | { read -t 0; echo reply=$REPLY; }
|
661 | echo $?
|
662 |
|
663 | ## STDOUT:
|
664 | 0
|
665 | 0
|
666 | reply=
|
667 | 0
|
668 | ## END
|
669 | ## N-I dash/zsh/mksh stdout-json: ""
|
670 |
|
671 | #### read -t 0.5
|
672 | case $SH in (dash) exit ;; esac
|
673 |
|
674 | read -t 0.5 < /dev/null
|
675 | echo $?
|
676 |
|
677 | ## STDOUT:
|
678 | 1
|
679 | ## END
|
680 | ## BUG zsh/mksh STDOUT:
|
681 | 1
|
682 | ## END
|
683 | ## N-I dash stdout-json: ""
|
684 |
|
685 | #### read -t -0.5 is invalid
|
686 | # bash appears to just take the absolute value?
|
687 |
|
688 | read -t -0.5 < /dev/null
|
689 | echo $?
|
690 |
|
691 | ## STDOUT:
|
692 | 2
|
693 | ## END
|
694 | ## BUG bash STDOUT:
|
695 | 1
|
696 | ## END
|
697 | ## BUG zsh stdout-json: ""
|
698 | ## BUG zsh status: 1
|
699 |
|
700 | #### read -u
|
701 | case $SH in (dash|mksh) exit ;; esac
|
702 |
|
703 | # file descriptor
|
704 | read -u 3 3<<EOF
|
705 | hi
|
706 | EOF
|
707 | echo reply=$REPLY
|
708 | ## STDOUT:
|
709 | reply=hi
|
710 | ## END
|
711 | ## N-I dash/mksh stdout-json: ""
|
712 |
|
713 | #### read -u syntax error
|
714 | read -u -3
|
715 | echo status=$?
|
716 | ## STDOUT:
|
717 | status=2
|
718 | ## END
|
719 | ## OK bash/zsh STDOUT:
|
720 | status=1
|
721 | ## END
|
722 |
|
723 | #### read -N doesn't respect delimiter, while read -n does
|
724 | case $SH in (dash|zsh|ash) exit ;; esac
|
725 |
|
726 | echo foobar | { read -n 5 -d b; echo $REPLY; }
|
727 | echo foobar | { read -N 5 -d b; echo $REPLY; }
|
728 | ## STDOUT:
|
729 | foo
|
730 | fooba
|
731 | ## END
|
732 | ## OK mksh STDOUT:
|
733 | fooba
|
734 | fooba
|
735 | ## END
|
736 | ## N-I dash/zsh/ash stdout-json: ""
|
737 |
|
738 | #### read -p (not fully tested)
|
739 |
|
740 | # hm DISABLED if we're not going to the terminal
|
741 | # so we're only testing that it accepts the flag here
|
742 |
|
743 | case $SH in (dash|mksh|zsh) exit ;; esac
|
744 |
|
745 | echo hi | { read -p 'P'; echo $REPLY; }
|
746 | echo hi | { read -p 'P' -n 1; echo $REPLY; }
|
747 | ## STDOUT:
|
748 | hi
|
749 | h
|
750 | ## END
|
751 | ## stderr-json: ""
|
752 | ## N-I dash/mksh/zsh stdout-json: ""
|
753 |
|
754 | #### read usage
|
755 | read -n -1
|
756 | echo status=$?
|
757 | ## STDOUT:
|
758 | status=2
|
759 | ## END
|
760 | ## OK bash stdout: status=1
|
761 | ## BUG mksh stdout-json: ""
|
762 | # zsh gives a fatal error? seems inconsistent
|
763 | ## BUG zsh stdout-json: ""
|
764 | ## BUG zsh status: 1
|
765 |
|
766 | #### read with smooshed args
|
767 | echo hi | { read -rn1 var; echo var=$var; }
|
768 | ## STDOUT:
|
769 | var=h
|
770 | ## END
|
771 | ## N-I dash/zsh STDOUT:
|
772 | var=
|
773 | ## END
|
774 |
|
775 | #### read -r -d '' for NUL strings, e.g. find -print0
|
776 |
|
777 |
|
778 | case $SH in (dash|zsh|mksh) exit ;; esac # NOT IMPLEMENTED
|
779 |
|
780 | mkdir -p read0
|
781 | cd read0
|
782 | rm -f *
|
783 |
|
784 | touch a\\b\\c\\d # -r is necessary!
|
785 |
|
786 | find . -type f -a -print0 | { read -r -d ''; echo "[$REPLY]"; }
|
787 |
|
788 | ## STDOUT:
|
789 | [./a\b\c\d]
|
790 | ## END
|
791 | ## N-I dash/zsh/mksh STDOUT:
|
792 | ## END
|
793 |
|
794 |
|
795 | #### redirection from directory is non-fatal error)
|
796 |
|
797 | # This tickles an infinite loop bug in our version of mksh! TODO: upgrade the
|
798 | # version and enable this
|
799 | case $SH in (mksh) return ;; esac
|
800 |
|
801 | cd $TMP
|
802 | mkdir -p dir
|
803 | read x < ./dir
|
804 | echo status=$?
|
805 |
|
806 | ## STDOUT:
|
807 | status=1
|
808 | ## END
|
809 | # OK mksh stdout: status=2
|
810 | ## OK mksh stdout-json: ""
|
811 |
|
812 | #### read -n from directory
|
813 |
|
814 | case $SH in (dash|ash) return ;; esac # not implemented
|
815 |
|
816 | # same hanging bug
|
817 | case $SH in (mksh) return ;; esac
|
818 |
|
819 | mkdir -p dir
|
820 | read -n 3 x < ./dir
|
821 | echo status=$?
|
822 | ## STDOUT:
|
823 | status=1
|
824 | ## END
|
825 | ## OK mksh stdout-json: ""
|
826 | ## N-I dash/ash stdout-json: ""
|
827 |
|
828 | #### mapfile from directory (bash doesn't handle errors)
|
829 | case $SH in (dash|ash|mksh|zsh) return ;; esac # not implemented
|
830 |
|
831 | mkdir -p dir
|
832 | mapfile $x < ./dir
|
833 | echo status=$?
|
834 |
|
835 | ## STDOUT:
|
836 | status=1
|
837 | ## END
|
838 | ## BUG bash STDOUT:
|
839 | status=0
|
840 | ## END
|
841 | ## N-I dash/ash/mksh/zsh stdout-json: ""
|
842 |
|
843 | #### Redirect to directory
|
844 | mkdir -p dir
|
845 |
|
846 | echo foo > ./dir
|
847 | echo status=$?
|
848 | printf foo > ./dir
|
849 | echo status=$?
|
850 |
|
851 | ## STDOUT:
|
852 | status=1
|
853 | status=1
|
854 | ## END
|
855 | ## OK dash STDOUT:
|
856 | status=2
|
857 | status=2
|
858 | ## END
|
859 |
|