| 1 | ## our_shell: ysh |
| 2 | |
| 3 | # Test YSH expressions within $[] |
| 4 | |
| 5 | #### $[f(x)] |
| 6 | var a = %(a b c) |
| 7 | echo $[len(a)] |
| 8 | ## STDOUT: |
| 9 | 3 |
| 10 | ## END |
| 11 | |
| 12 | #### $[d['key']] |
| 13 | var d = {} |
| 14 | setvar d['key'] = 42 |
| 15 | echo $[d['key']] |
| 16 | ## STDOUT: |
| 17 | 42 |
| 18 | ## END |
| 19 | |
| 20 | #### $[d.key] |
| 21 | var d = {} |
| 22 | setvar d['key'] = 42 |
| 23 | echo $[d.key] |
| 24 | ## STDOUT: |
| 25 | 42 |
| 26 | ## END |
| 27 | |
| 28 | #### In Double quotes |
| 29 | var a = %(a b c) |
| 30 | var obj = /d+/ |
| 31 | var d = {} |
| 32 | setvar d['key'] = 42 |
| 33 | echo "func $[len(a)]" |
| 34 | echo "key $[d['key']]" |
| 35 | echo "key $[d.key]" |
| 36 | echo "dq $[d["key"]]" |
| 37 | ## STDOUT: |
| 38 | func 3 |
| 39 | key 42 |
| 40 | key 42 |
| 41 | dq 42 |
| 42 | ## END |