| 1 | ## our_shell: ysh
|
| 2 | ## oils_failures_allowed: 0
|
| 3 |
|
| 4 | #### captureStdout() is like $()
|
| 5 |
|
| 6 | proc p {
|
| 7 | var captured = 'captured'
|
| 8 | var cmd = ^(echo one; echo $captured)
|
| 9 |
|
| 10 | var stdout = io.captureStdout(cmd)
|
| 11 | pp test_ (stdout)
|
| 12 | }
|
| 13 |
|
| 14 | p
|
| 15 |
|
| 16 | ## STDOUT:
|
| 17 | (Str) "one\ncaptured"
|
| 18 | ## END
|
| 19 |
|
| 20 | #### captureStdout() failure
|
| 21 |
|
| 22 | var c = ^(echo one; false; echo two)
|
| 23 |
|
| 24 | # Hm this prints a message, but no stack trace
|
| 25 | # Should make it fail I think
|
| 26 |
|
| 27 | try {
|
| 28 | var x = io.captureStdout(c)
|
| 29 | }
|
| 30 | # This has {"code": 3} because it's an expression error. Should probably
|
| 31 | pp test_ (_error)
|
| 32 |
|
| 33 | var x = io.captureStdout(c)
|
| 34 |
|
| 35 | ## status: 4
|
| 36 | ## STDOUT:
|
| 37 | (Dict) {"status":1,"code":4,"message":"captureStdout(): command failed with status 1"}
|
| 38 | ## END
|
| 39 |
|
| 40 | #### io->eval() is like eval builtin
|
| 41 |
|
| 42 | var c = ^(echo one; echo two)
|
| 43 | var status = io->eval(c)
|
| 44 |
|
| 45 | # doesn't return anything
|
| 46 | echo status=$status
|
| 47 |
|
| 48 | ## STDOUT:
|
| 49 | one
|
| 50 | two
|
| 51 | status=null
|
| 52 | ## END
|
| 53 |
|
| 54 | #### io->eval() with failing command - caller must handle
|
| 55 |
|
| 56 | var c = ^(echo one; false; echo two)
|
| 57 |
|
| 58 | try {
|
| 59 | call io->eval(c)
|
| 60 | }
|
| 61 | pp test_ (_error)
|
| 62 |
|
| 63 | call io->eval(c)
|
| 64 |
|
| 65 | ## status: 1
|
| 66 | ## STDOUT:
|
| 67 | one
|
| 68 | (Dict) {"code":1}
|
| 69 | one
|
| 70 | ## END
|
| 71 |
|
| 72 | #### io->eval() with exit
|
| 73 |
|
| 74 | var c = ^(echo one; exit; echo two)
|
| 75 |
|
| 76 | try {
|
| 77 | call io->eval(c)
|
| 78 | }
|
| 79 | echo 'we do not get here'
|
| 80 | pp test_ (_error)
|
| 81 |
|
| 82 |
|
| 83 | ## STDOUT:
|
| 84 | one
|
| 85 | ## END
|
| 86 |
|