| 1 | #
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| 2 | # Extended assignment language, e.g. typeset, declare, arrays, etc.
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| 3 | # Things that dash doesn't support.
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| 4 |
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| 5 | #### local -a
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| 6 | # nixpkgs setup.sh uses this (issue #26)
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| 7 | f() {
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| 8 | local -a array=(x y z)
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| 9 | argv.py "${array[@]}"
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| 10 | }
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| 11 | f
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| 12 | ## stdout: ['x', 'y', 'z']
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| 13 | ## N-I mksh stdout-json: ""
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| 14 | ## N-I mksh status: 1
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| 15 |
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| 16 | #### declare -a
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| 17 | # nixpkgs setup.sh uses this (issue #26)
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| 18 | declare -a array=(x y z)
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| 19 | argv.py "${array[@]}"
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| 20 | ## stdout: ['x', 'y', 'z']
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| 21 | ## N-I mksh stdout-json: ""
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| 22 | ## N-I mksh status: 1
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| 23 |
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| 24 | #### indexed LHS with spaces (not allowed in OSH)
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| 25 | a[1 * 1]=x a[ 1 + 2 ]=z
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| 26 | echo status=$?
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| 27 | argv.py "${a[@]}"
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| 28 | ## STDOUT:
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| 29 | status=0
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| 30 | ['x', 'z']
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| 31 | ## END
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| 32 | ## N-I osh STDOUT:
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| 33 | status=127
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| 34 | []
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| 35 | ## END
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| 36 |
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| 37 | #### declare -f exit code indicates function existence
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| 38 | func2=x # var names are NOT found
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| 39 | declare -f myfunc func2
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| 40 | echo $?
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| 41 |
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| 42 | myfunc() { echo myfunc; }
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| 43 | # This prints the source code.
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| 44 | declare -f myfunc func2 > /dev/null
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| 45 | echo $?
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| 46 |
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| 47 | func2() { echo func2; }
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| 48 | declare -f myfunc func2 > /dev/null
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| 49 | echo $?
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| 50 | ## STDOUT:
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| 51 | 1
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| 52 | 1
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| 53 | 0
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| 54 | ## END
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| 55 | ## N-I mksh STDOUT:
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| 56 | 127
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| 57 | 127
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| 58 | 127
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| 59 | ## END
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| 60 |
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| 61 | #### declare -F prints function names
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| 62 | add () { expr 4 + 4; }
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| 63 | div () { expr 6 / 2; }
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| 64 | ek () { echo hello; }
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| 65 | __ec () { echo hi; }
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| 66 | _ab () { expr 10 % 3; }
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| 67 |
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| 68 | declare -F
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| 69 | ## STDOUT:
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| 70 | declare -f __ec
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| 71 | declare -f _ab
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| 72 | declare -f add
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| 73 | declare -f div
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| 74 | declare -f ek
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| 75 | ## END
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| 76 | ## N-I mksh stdout-json: ""
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| 77 | ## N-I mksh status: 127
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| 78 |
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| 79 | #### declare -p var (exit status)
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| 80 | var1() { echo func; } # function names are NOT found.
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| 81 | declare -p var1 var2 >/dev/null
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| 82 | echo $?
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| 83 |
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| 84 | var1=x
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| 85 | declare -p var1 var2 >/dev/null
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| 86 | echo $?
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| 87 |
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| 88 | var2=y
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| 89 | declare -p var1 var2 >/dev/null
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| 90 | echo $?
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| 91 | ## STDOUT:
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| 92 | 1
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| 93 | 1
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| 94 | 0
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| 95 | ## N-I mksh STDOUT:
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| 96 | 127
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| 97 | 127
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| 98 | 127
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| 99 | ## END
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| 100 |
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| 101 | #### declare
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| 102 | test_var1=111
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| 103 | readonly test_var2=222
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| 104 | export test_var3=333
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| 105 | declare -n test_var4=test_var1
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| 106 | f1() {
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| 107 | local test_var5=555
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| 108 | {
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| 109 | echo '[declare]'
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| 110 | declare
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| 111 | echo '[readonly]'
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| 112 | readonly
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| 113 | echo '[export]'
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| 114 | export
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| 115 | echo '[local]'
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| 116 | local
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| 117 | } | grep -E '^\[|^\b.*test_var.\b'
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| 118 | }
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| 119 | f1
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| 120 | ## STDOUT:
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| 121 | [declare]
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| 122 | test_var1=111
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| 123 | test_var2=222
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| 124 | test_var3=333
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| 125 | test_var4=test_var1
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| 126 | test_var5=555
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| 127 | [readonly]
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| 128 | declare -r test_var2=222
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| 129 | [export]
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| 130 | declare -x test_var3=333
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| 131 | [local]
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| 132 | test_var5=555
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| 133 | ## END
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| 134 | ## OK bash STDOUT:
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| 135 | [declare]
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| 136 | test_var1=111
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| 137 | test_var2=222
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| 138 | test_var3=333
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| 139 | test_var4=test_var1
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| 140 | test_var5=555
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| 141 | [readonly]
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| 142 | declare -r test_var2="222"
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| 143 | [export]
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| 144 | declare -x test_var3="333"
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| 145 | [local]
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| 146 | test_var5=555
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| 147 | ## END
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| 148 | ## N-I mksh STDOUT:
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| 149 | [declare]
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| 150 | [readonly]
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| 151 | test_var2
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| 152 | [export]
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| 153 | test_var3
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| 154 | [local]
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| 155 | typeset test_var1
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| 156 | typeset -r test_var2
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| 157 | typeset -x test_var3
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| 158 | typeset test_var5
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| 159 | ## END
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| 160 |
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| 161 | #### declare -p
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| 162 | # BUG: bash doesn't output flags with "local -p", which seems to contradict
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| 163 | # with manual.
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| 164 | test_var1=111
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| 165 | readonly test_var2=222
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| 166 | export test_var3=333
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| 167 | declare -n test_var4=test_var1
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| 168 | f1() {
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| 169 | local test_var5=555
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| 170 | {
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| 171 | echo '[declare]'
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| 172 | declare -p
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| 173 | echo '[readonly]'
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| 174 | readonly -p
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| 175 | echo '[export]'
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| 176 | export -p
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| 177 | echo '[local]'
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| 178 | local -p
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| 179 | } | grep -E '^\[|^\b.*test_var.\b'
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| 180 | }
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| 181 | f1
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| 182 | ## STDOUT:
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| 183 | [declare]
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| 184 | declare -- test_var1=111
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| 185 | declare -r test_var2=222
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| 186 | declare -x test_var3=333
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| 187 | declare -n test_var4=test_var1
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| 188 | declare -- test_var5=555
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| 189 | [readonly]
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| 190 | declare -r test_var2=222
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| 191 | [export]
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| 192 | declare -x test_var3=333
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| 193 | [local]
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| 194 | declare -- test_var5=555
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| 195 | ## END
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| 196 | ## BUG bash STDOUT:
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| 197 | [declare]
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| 198 | declare -- test_var1="111"
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| 199 | declare -r test_var2="222"
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| 200 | declare -x test_var3="333"
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| 201 | declare -n test_var4="test_var1"
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| 202 | declare -- test_var5="555"
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| 203 | [readonly]
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| 204 | declare -r test_var2="222"
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| 205 | [export]
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| 206 | declare -x test_var3="333"
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| 207 | [local]
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| 208 | test_var5=555
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| 209 | ## END
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| 210 | ## N-I mksh STDOUT:
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| 211 | [declare]
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| 212 | [readonly]
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| 213 | readonly test_var2=222
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| 214 | [export]
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| 215 | export test_var3=333
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| 216 | [local]
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| 217 | typeset test_var1=111
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| 218 | typeset -r test_var2=222
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| 219 | typeset -x test_var3=333
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| 220 | typeset test_var5=555
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| 221 | ## END
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| 222 |
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| 223 | #### declare -p doesn't print binary data, but can be loaded into bash
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| 224 |
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| 225 | # bash prints binary data!
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| 226 | case $SH in bash|mksh) exit ;; esac
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| 227 |
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| 228 | unquoted='foo'
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| 229 | sq='foo bar'
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| 230 | bash1=$'\x1f' # ASCII control char
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| 231 | bash2=$'\xfe\xff' # Invalid UTF-8
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| 232 |
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| 233 | s1=$unquoted
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| 234 | s2=$sq
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| 235 | s3=$bash1
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| 236 | s4=$bash2
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| 237 |
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| 238 | declare -a a=("$unquoted" "$sq" "$bash1" "$bash2")
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| 239 | declare -A A=(["$unquoted"]="$sq" ["$bash1"]="$bash2")
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| 240 |
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| 241 | #echo lengths ${#s1} ${#s2} ${#s3} ${#s4} ${#a[@]} ${#A[@]}
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| 242 |
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| 243 | declare -p s1 s2 s3 s4 a A | tee tmp.bash
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| 244 |
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| 245 | echo ---
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| 246 |
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| 247 | bash -c 'source tmp.bash; echo "$s1 $s2"; echo -n "$s3" "$s4" | od -A n -t x1'
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| 248 | echo bash=$?
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| 249 |
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| 250 | ## STDOUT:
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| 251 | declare -- s1=foo
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| 252 | declare -- s2='foo bar'
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| 253 | declare -- s3=$'\u001f'
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| 254 | declare -- s4=$'\xfe\xff'
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| 255 | declare -a a=(foo 'foo bar' $'\u001f' $'\xfe\xff')
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| 256 | declare -A A=([$'\u001f']=$'\xfe\xff' ['foo']='foo bar')
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| 257 | ---
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| 258 | foo foo bar
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| 259 | 1f 20 fe ff
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| 260 | bash=0
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| 261 | ## END
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| 262 |
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| 263 | ## N-I bash/mksh STDOUT:
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| 264 | ## END
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| 265 |
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| 266 |
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| 267 |
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| 268 | #### declare -p var
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| 269 | # BUG? bash doesn't output anything for 'local/readonly -p var', which seems to
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| 270 | # contradict with manual. Besides, 'export -p var' is not described in
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| 271 | # manual
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| 272 | test_var1=111
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| 273 | readonly test_var2=222
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| 274 | export test_var3=333
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| 275 | declare -n test_var4=test_var1
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| 276 | f1() {
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| 277 | local test_var5=555
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| 278 | {
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| 279 | echo '[declare]'
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| 280 | declare -p test_var{0..5}
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| 281 | echo '[readonly]'
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| 282 | readonly -p test_var{0..5}
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| 283 | echo '[export]'
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| 284 | export -p test_var{0..5}
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| 285 | echo '[local]'
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| 286 | local -p test_var{0..5}
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| 287 | } | grep -E '^\[|^\b.*test_var.\b'
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| 288 | }
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| 289 | f1
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| 290 | ## STDOUT:
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| 291 | [declare]
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| 292 | declare -- test_var1=111
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| 293 | declare -r test_var2=222
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| 294 | declare -x test_var3=333
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| 295 | declare -n test_var4=test_var1
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| 296 | declare -- test_var5=555
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| 297 | [readonly]
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| 298 | declare -r test_var2=222
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| 299 | [export]
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| 300 | declare -x test_var3=333
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| 301 | [local]
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| 302 | declare -- test_var5=555
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| 303 | ## END
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| 304 | ## BUG bash STDOUT:
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| 305 | [declare]
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| 306 | declare -- test_var1="111"
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| 307 | declare -r test_var2="222"
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| 308 | declare -x test_var3="333"
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| 309 | declare -n test_var4="test_var1"
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| 310 | declare -- test_var5="555"
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| 311 | [readonly]
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| 312 | [export]
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| 313 | [local]
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| 314 | ## END
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| 315 | ## N-I mksh STDOUT:
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| 316 | [declare]
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| 317 | [readonly]
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| 318 | ## END
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| 319 |
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| 320 | #### declare -p arr
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| 321 | test_arr1=()
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| 322 | declare -a test_arr2=()
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| 323 | declare -A test_arr3=()
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| 324 | test_arr4=(1 2 3)
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| 325 | declare -a test_arr5=(1 2 3)
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| 326 | declare -A test_arr6=(['a']=1 ['b']=2 ['c']=3)
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| 327 | test_arr7=()
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| 328 | test_arr7[3]=foo
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| 329 | declare -p test_arr{1..7}
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| 330 | ## STDOUT:
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| 331 | declare -a test_arr1=()
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| 332 | declare -a test_arr2=()
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| 333 | declare -A test_arr3
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| 334 | declare -a test_arr4=(1 2 3)
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| 335 | declare -a test_arr5=(1 2 3)
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| 336 | declare -A test_arr6=(['a']=1 ['b']=2 ['c']=3)
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| 337 | declare -a test_arr7=(); test_arr7[3]=foo
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| 338 | ## END
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| 339 | ## OK bash STDOUT:
|
| 340 | declare -a test_arr1=()
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| 341 | declare -a test_arr2=()
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| 342 | declare -A test_arr3=()
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| 343 | declare -a test_arr4=([0]="1" [1]="2" [2]="3")
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| 344 | declare -a test_arr5=([0]="1" [1]="2" [2]="3")
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| 345 | declare -A test_arr6=([a]="1" [b]="2" [c]="3" )
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| 346 | declare -a test_arr7=([3]="foo")
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| 347 | ## END
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| 348 | ## N-I mksh stdout-json: ""
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| 349 | ## N-I mksh status: 1
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| 350 |
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| 351 | #### declare -p foo=bar doesn't make sense
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| 352 | case $SH in (mksh) exit 0; esac
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| 353 |
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| 354 | declare -p foo=bar
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| 355 | echo status=$?
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| 356 |
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| 357 | a=b
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| 358 | declare -p a foo=bar > tmp.txt
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| 359 | echo status=$?
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| 360 | sed 's/"//g' tmp.txt # don't care about quotes
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| 361 | ## STDOUT:
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| 362 | status=1
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| 363 | status=1
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| 364 | declare -- a=b
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| 365 | ## END
|
| 366 | ## N-I mksh stdout-json: ""
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| 367 |
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| 368 | #### declare -pnrx
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| 369 | test_var1=111
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| 370 | readonly test_var2=222
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| 371 | export test_var3=333
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| 372 | declare -n test_var4=test_var1
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| 373 | f1() {
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| 374 | local test_var5=555
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| 375 | {
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| 376 | echo '[declare -pn]'
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| 377 | declare -pn
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| 378 | echo '[declare -pr]'
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| 379 | declare -pr
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| 380 | echo '[declare -px]'
|
| 381 | declare -px
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| 382 | } | grep -E '^\[|^\b.*test_var.\b'
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| 383 | }
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| 384 | f1
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| 385 | ## STDOUT:
|
| 386 | [declare -pn]
|
| 387 | declare -n test_var4=test_var1
|
| 388 | [declare -pr]
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| 389 | declare -r test_var2=222
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| 390 | [declare -px]
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| 391 | declare -x test_var3=333
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| 392 | ## END
|
| 393 | ## OK bash STDOUT:
|
| 394 | [declare -pn]
|
| 395 | declare -n test_var4="test_var1"
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| 396 | [declare -pr]
|
| 397 | declare -r test_var2="222"
|
| 398 | [declare -px]
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| 399 | declare -x test_var3="333"
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| 400 | ## END
|
| 401 | ## N-I mksh STDOUT:
|
| 402 | [declare -pn]
|
| 403 | [declare -pr]
|
| 404 | [declare -px]
|
| 405 | ## END
|
| 406 |
|
| 407 | #### declare -paA
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| 408 | declare -a test_var6=()
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| 409 | declare -A test_var7=()
|
| 410 | f1() {
|
| 411 | {
|
| 412 | echo '[declare -pa]'
|
| 413 | declare -pa
|
| 414 | echo '[declare -pA]'
|
| 415 | declare -pA
|
| 416 | } | grep -E '^\[|^\b.*test_var.\b'
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| 417 | }
|
| 418 | f1
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| 419 | ## STDOUT:
|
| 420 | [declare -pa]
|
| 421 | declare -a test_var6=()
|
| 422 | [declare -pA]
|
| 423 | declare -A test_var7
|
| 424 | ## END
|
| 425 | ## OK bash STDOUT:
|
| 426 | [declare -pa]
|
| 427 | declare -a test_var6=()
|
| 428 | [declare -pA]
|
| 429 | declare -A test_var7=()
|
| 430 | ## END
|
| 431 | ## N-I mksh stdout-json: ""
|
| 432 | ## N-I mksh status: 1
|
| 433 |
|
| 434 | #### declare -pnrx var
|
| 435 | # Note: Bash ignores other flags (-nrx) when variable names are supplied while
|
| 436 | # OSH uses other flags to select variables. Bash's behavior is documented.
|
| 437 | test_var1=111
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| 438 | readonly test_var2=222
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| 439 | export test_var3=333
|
| 440 | declare -n test_var4=test_var1
|
| 441 | f1() {
|
| 442 | local test_var5=555
|
| 443 | {
|
| 444 | echo '[declare -pn]'
|
| 445 | declare -pn test_var{0..5}
|
| 446 | echo '[declare -pr]'
|
| 447 | declare -pr test_var{0..5}
|
| 448 | echo '[declare -px]'
|
| 449 | declare -px test_var{0..5}
|
| 450 | } | grep -E '^\[|^\b.*test_var.\b'
|
| 451 | }
|
| 452 | f1
|
| 453 | ## STDOUT:
|
| 454 | [declare -pn]
|
| 455 | declare -n test_var4=test_var1
|
| 456 | [declare -pr]
|
| 457 | declare -r test_var2=222
|
| 458 | [declare -px]
|
| 459 | declare -x test_var3=333
|
| 460 | ## END
|
| 461 | ## N-I bash STDOUT:
|
| 462 | [declare -pn]
|
| 463 | declare -- test_var1="111"
|
| 464 | declare -r test_var2="222"
|
| 465 | declare -x test_var3="333"
|
| 466 | declare -n test_var4="test_var1"
|
| 467 | declare -- test_var5="555"
|
| 468 | [declare -pr]
|
| 469 | declare -- test_var1="111"
|
| 470 | declare -r test_var2="222"
|
| 471 | declare -x test_var3="333"
|
| 472 | declare -n test_var4="test_var1"
|
| 473 | declare -- test_var5="555"
|
| 474 | [declare -px]
|
| 475 | declare -- test_var1="111"
|
| 476 | declare -r test_var2="222"
|
| 477 | declare -x test_var3="333"
|
| 478 | declare -n test_var4="test_var1"
|
| 479 | declare -- test_var5="555"
|
| 480 | ## END
|
| 481 | ## N-I mksh STDOUT:
|
| 482 | [declare -pn]
|
| 483 | [declare -pr]
|
| 484 | [declare -px]
|
| 485 | ## END
|
| 486 |
|
| 487 | #### declare -pg
|
| 488 | test_var1=global
|
| 489 | f1() {
|
| 490 | local test_var1=local
|
| 491 | {
|
| 492 | declare -pg
|
| 493 | } | grep -E '^\[|^\b[^"]*test_var.\b'
|
| 494 | }
|
| 495 | f1
|
| 496 | ## STDOUT:
|
| 497 | declare -- test_var1=global
|
| 498 | ## END
|
| 499 | ## N-I bash STDOUT:
|
| 500 | declare -- test_var1="local"
|
| 501 | ## END
|
| 502 | ## N-I mksh stdout-json: ""
|
| 503 | ## N-I mksh status: 1
|
| 504 |
|
| 505 | #### declare -pg var
|
| 506 | test_var1=global
|
| 507 | f1() {
|
| 508 | local test_var1=local
|
| 509 | {
|
| 510 | declare -pg test_var1
|
| 511 | } | grep -E '^\[|^\b.*test_var.\b'
|
| 512 | }
|
| 513 | f1
|
| 514 | ## STDOUT:
|
| 515 | declare -- test_var1=global
|
| 516 | ## END
|
| 517 | ## N-I bash STDOUT:
|
| 518 | declare -- test_var1="local"
|
| 519 | ## END
|
| 520 | ## N-I mksh stdout-json: ""
|
| 521 | ## N-I mksh status: 1
|
| 522 |
|
| 523 | #### ble.sh: eval -- "$(declare -p var arr)"
|
| 524 | # This illustrates an example usage of "eval & declare" for exporting
|
| 525 | # multiple variables from $().
|
| 526 | eval -- "$(
|
| 527 | printf '%s\n' a{1..10} | {
|
| 528 | sum=0 i=0 arr=()
|
| 529 | while read line; do
|
| 530 | ((sum+=${#line},i++))
|
| 531 | arr[$((i/3))]=$line
|
| 532 | done
|
| 533 | declare -p sum arr
|
| 534 | })"
|
| 535 | echo sum=$sum
|
| 536 | for ((i=0;i<${#arr[@]};i++)); do
|
| 537 | echo "arr[$i]=${arr[i]}"
|
| 538 | done
|
| 539 | ## STDOUT:
|
| 540 | sum=21
|
| 541 | arr[0]=a2
|
| 542 | arr[1]=a5
|
| 543 | arr[2]=a8
|
| 544 | arr[3]=a10
|
| 545 | ## END
|
| 546 | ## N-I mksh stdout-json: ""
|
| 547 | ## N-I mksh status: 1
|
| 548 |
|
| 549 | #### eval -- "$(declare -p arr)" (restore arrays w/ unset elements)
|
| 550 | arr=(1 2 3)
|
| 551 | eval -- "$(arr=(); arr[3]= arr[4]=foo; declare -p arr)"
|
| 552 | for i in {0..4}; do
|
| 553 | echo "arr[$i]: ${arr[$i]+set ... [}${arr[$i]-unset}${arr[$i]+]}"
|
| 554 | done
|
| 555 | ## STDOUT:
|
| 556 | arr[0]: unset
|
| 557 | arr[1]: unset
|
| 558 | arr[2]: unset
|
| 559 | arr[3]: set ... []
|
| 560 | arr[4]: set ... [foo]
|
| 561 | ## END
|
| 562 | ## N-I mksh stdout-json: ""
|
| 563 | ## N-I mksh status: 1
|
| 564 |
|
| 565 | #### typeset -f
|
| 566 | # mksh implement typeset but not declare
|
| 567 | typeset -f myfunc func2
|
| 568 | echo $?
|
| 569 |
|
| 570 | myfunc() { echo myfunc; }
|
| 571 | # This prints the source code.
|
| 572 | typeset -f myfunc func2 > /dev/null
|
| 573 | echo $?
|
| 574 |
|
| 575 | func2() { echo func2; }
|
| 576 | typeset -f myfunc func2 > /dev/null
|
| 577 | echo $?
|
| 578 | ## STDOUT:
|
| 579 | 1
|
| 580 | 1
|
| 581 | 0
|
| 582 | ## END
|
| 583 |
|
| 584 | #### typeset -p
|
| 585 | var1() { echo func; } # function names are NOT found.
|
| 586 | typeset -p var1 var2 >/dev/null
|
| 587 | echo $?
|
| 588 |
|
| 589 | var1=x
|
| 590 | typeset -p var1 var2 >/dev/null
|
| 591 | echo $?
|
| 592 |
|
| 593 | var2=y
|
| 594 | typeset -p var1 var2 >/dev/null
|
| 595 | echo $?
|
| 596 | ## STDOUT:
|
| 597 | 1
|
| 598 | 1
|
| 599 | 0
|
| 600 | ## BUG mksh STDOUT:
|
| 601 | # mksh doesn't respect exit codes
|
| 602 | 0
|
| 603 | 0
|
| 604 | 0
|
| 605 | ## END
|
| 606 |
|
| 607 | #### typeset -r makes a string readonly
|
| 608 | typeset -r s1='12'
|
| 609 | typeset -r s2='34'
|
| 610 |
|
| 611 | s1='c'
|
| 612 | echo status=$?
|
| 613 | s2='d'
|
| 614 | echo status=$?
|
| 615 |
|
| 616 | s1+='e'
|
| 617 | echo status=$?
|
| 618 | s2+='f'
|
| 619 | echo status=$?
|
| 620 |
|
| 621 | unset s1
|
| 622 | echo status=$?
|
| 623 | unset s2
|
| 624 | echo status=$?
|
| 625 |
|
| 626 | ## status: 1
|
| 627 | ## stdout-json: ""
|
| 628 | ## OK mksh status: 2
|
| 629 | ## OK bash status: 0
|
| 630 | ## OK bash STDOUT:
|
| 631 | status=1
|
| 632 | status=1
|
| 633 | status=1
|
| 634 | status=1
|
| 635 | status=1
|
| 636 | status=1
|
| 637 | ## END
|
| 638 |
|
| 639 | #### typeset -ar makes it readonly
|
| 640 | typeset -a -r array1=(1 2)
|
| 641 | typeset -ar array2=(3 4)
|
| 642 |
|
| 643 | array1=('c')
|
| 644 | echo status=$?
|
| 645 | array2=('d')
|
| 646 | echo status=$?
|
| 647 |
|
| 648 | array1+=('e')
|
| 649 | echo status=$?
|
| 650 | array2+=('f')
|
| 651 | echo status=$?
|
| 652 |
|
| 653 | unset array1
|
| 654 | echo status=$?
|
| 655 | unset array2
|
| 656 | echo status=$?
|
| 657 |
|
| 658 | ## status: 1
|
| 659 | ## stdout-json: ""
|
| 660 | ## OK bash status: 0
|
| 661 | ## OK bash STDOUT:
|
| 662 | status=1
|
| 663 | status=1
|
| 664 | status=1
|
| 665 | status=1
|
| 666 | status=1
|
| 667 | status=1
|
| 668 | ## END
|
| 669 | ## N-I mksh status: 1
|
| 670 | ## N-I mksh stdout-json: ""
|
| 671 |
|
| 672 | #### typeset -x makes it exported
|
| 673 | typeset -rx PYTHONPATH=lib/
|
| 674 | printenv.py PYTHONPATH
|
| 675 | ## STDOUT:
|
| 676 | lib/
|
| 677 | ## END
|
| 678 |
|
| 679 | #### Multiple assignments / array assignments on a line
|
| 680 | a=1 b[0+0]=2 c=3
|
| 681 | echo $a ${b[@]} $c
|
| 682 | ## stdout: 1 2 3
|
| 683 |
|
| 684 | #### Env bindings shouldn't contain array assignments
|
| 685 | a=1 b[0]=2 c=3 printenv.py a b c
|
| 686 | ## status: 2
|
| 687 | ## stdout-json: ""
|
| 688 | ## OK bash STDOUT:
|
| 689 | 1
|
| 690 | None
|
| 691 | 3
|
| 692 | ## END
|
| 693 | ## OK bash status: 0
|
| 694 | ## BUG mksh STDOUT:
|
| 695 | 1
|
| 696 | 2
|
| 697 | 3
|
| 698 | ## END
|
| 699 | ## OK mksh status: 0
|
| 700 |
|
| 701 | #### syntax error in array assignment
|
| 702 | a=x b[0+]=y c=z
|
| 703 | echo $a $b $c
|
| 704 | ## status: 2
|
| 705 | ## stdout-json: ""
|
| 706 | ## BUG bash stdout: x
|
| 707 | ## BUG bash status: 0
|
| 708 | ## OK mksh stdout-json: ""
|
| 709 | ## OK mksh status: 1
|
| 710 |
|
| 711 | #### declare -g (bash-specific; bash-completion uses it)
|
| 712 | f() {
|
| 713 | declare -g G=42
|
| 714 | declare L=99
|
| 715 |
|
| 716 | declare -Ag dict
|
| 717 | dict["foo"]=bar
|
| 718 |
|
| 719 | declare -A localdict
|
| 720 | localdict["spam"]=Eggs
|
| 721 |
|
| 722 | # For bash-completion
|
| 723 | eval 'declare -Ag ev'
|
| 724 | ev["ev1"]=ev2
|
| 725 | }
|
| 726 | f
|
| 727 | argv.py "$G" "$L"
|
| 728 | argv.py "${dict["foo"]}" "${localdict["spam"]}"
|
| 729 | argv.py "${ev["ev1"]}"
|
| 730 | ## STDOUT:
|
| 731 | ['42', '']
|
| 732 | ['bar', '']
|
| 733 | ['ev2']
|
| 734 | ## END
|
| 735 | ## N-I mksh STDOUT:
|
| 736 | ['', '']
|
| 737 | ## END
|
| 738 | ## N-I mksh status: 1
|
| 739 |
|
| 740 | #### myvar=typeset (another form of dynamic assignment)
|
| 741 | myvar=typeset
|
| 742 | x='a b'
|
| 743 | $myvar x=$x
|
| 744 | echo $x
|
| 745 | ## STDOUT:
|
| 746 | a
|
| 747 | ## END
|
| 748 | ## OK osh STDOUT:
|
| 749 | a b
|
| 750 | ## END
|
| 751 |
|
| 752 | #### dynamic array parsing is not allowed
|
| 753 | code='x=(1 2 3)'
|
| 754 | typeset -a "$code" # note: -a flag is required
|
| 755 | echo status=$?
|
| 756 | argv.py "$x"
|
| 757 | ## STDOUT:
|
| 758 | status=2
|
| 759 | ['']
|
| 760 | ## END
|
| 761 | ## OK mksh STDOUT:
|
| 762 | status=0
|
| 763 | ['(1 2 3)']
|
| 764 | ## END
|
| 765 | # bash allows it
|
| 766 | ## OK bash STDOUT:
|
| 767 | status=0
|
| 768 | ['1']
|
| 769 | ## END
|
| 770 |
|
| 771 | #### dynamic flag in array in assign builtin
|
| 772 | typeset b
|
| 773 | b=(unused1 unused2) # this works in mksh
|
| 774 |
|
| 775 | a=(x 'foo=F' 'bar=B')
|
| 776 | typeset -"${a[@]}"
|
| 777 | echo foo=$foo
|
| 778 | echo bar=$bar
|
| 779 | printenv.py foo
|
| 780 | printenv.py bar
|
| 781 |
|
| 782 | # syntax error in mksh! But works in bash and zsh.
|
| 783 | #typeset -"${a[@]}" b=(spam eggs)
|
| 784 | #echo "length of b = ${#b[@]}"
|
| 785 | #echo "b[0]=${b[0]}"
|
| 786 | #echo "b[1]=${b[1]}"
|
| 787 |
|
| 788 | ## STDOUT:
|
| 789 | foo=F
|
| 790 | bar=B
|
| 791 | F
|
| 792 | B
|
| 793 | ## END
|
| 794 |
|
| 795 | #### typeset +x
|
| 796 | export e=E
|
| 797 | printenv.py e
|
| 798 | typeset +x e=E2
|
| 799 | printenv.py e # no longer exported
|
| 800 | ## STDOUT:
|
| 801 | E
|
| 802 | None
|
| 803 | ## END
|
| 804 |
|
| 805 | #### typeset +r removes read-only attribute (TODO: documented in bash to do nothing)
|
| 806 | readonly r=r1
|
| 807 | echo r=$r
|
| 808 |
|
| 809 | # clear the readonly flag. Why is this accepted in bash, but doesn't do
|
| 810 | # anything?
|
| 811 | typeset +r r=r2
|
| 812 | echo r=$r
|
| 813 |
|
| 814 | r=r3
|
| 815 | echo r=$r
|
| 816 |
|
| 817 | ## status: 0
|
| 818 | ## STDOUT:
|
| 819 | r=r1
|
| 820 | r=r2
|
| 821 | r=r3
|
| 822 | ## END
|
| 823 |
|
| 824 | # mksh doesn't allow you to unset
|
| 825 | ## OK mksh status: 2
|
| 826 | ## OK mksh STDOUT:
|
| 827 | r=r1
|
| 828 | ## END
|
| 829 |
|
| 830 | # bash doesn't allow you to unset
|
| 831 | ## OK bash status: 0
|
| 832 | ## OK bash STDOUT:
|
| 833 | r=r1
|
| 834 | r=r1
|
| 835 | r=r1
|
| 836 | ## END
|
| 837 |
|
| 838 |
|
| 839 | #### function name with /
|
| 840 | ble/foo() { echo hi; }
|
| 841 | declare -F ble/foo
|
| 842 | echo status=$?
|
| 843 | ## STDOUT:
|
| 844 | ble/foo
|
| 845 | status=0
|
| 846 | ## END
|
| 847 | ## N-I mksh stdout: status=127
|
| 848 | ## N-I zsh stdout-json: ""
|
| 849 | ## N-I zsh status: 1
|
| 850 | ## N-I ash stdout-json: ""
|
| 851 | ## N-I ash status: 2
|
| 852 |
|
| 853 | #### invalid var name
|
| 854 | typeset foo/bar
|
| 855 | ## status: 1
|