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#!/bin/bash |
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# |
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# Tests for pipelines. |
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# NOTE: Grammatically, ! is part of the pipeline: |
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# |
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# pipeline : pipe_sequence |
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# | Bang pipe_sequence |
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|
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### Brace group in pipeline |
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{ echo one; echo two; } | tac |
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# stdout-json: "two\none\n" |
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|
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### For loop in pipeline |
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for w in one two; do |
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echo $w |
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done | tac |
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# stdout-json: "two\none\n" |
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|
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### Exit code is last status |
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expr $0 : '.*/osh$' && exit 99 # Disabled because of spec-runner.sh issue |
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echo a | egrep '[0-9]+' |
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# status: 1 |
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|
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### |& |
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stdout_stderr.py |& cat |
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# stdout-json: "STDERR\nSTDOUT\n" |
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# N-I dash/mksh stdout-json: "" |
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|
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### ! turns non-zero into zero |
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! $SH -c 'exit 42'; echo $? |
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# stdout: 0 |
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# status: 0 |
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|
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### ! turns zero into 1 |
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! $SH -c 'exit 0'; echo $? |
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# stdout: 1 |
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# status: 0 |
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|
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### ! in if |
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if ! echo hi; then |
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echo TRUE |
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else |
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echo FALSE |
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fi |
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# stdout-json: "hi\nFALSE\n" |
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# status: 0 |
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|
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### ! with || |
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! echo hi || echo FAILED |
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# stdout-json: "hi\nFAILED\n" |
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# status: 0 |
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|
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### ! with { } |
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! { echo 1; echo 2; } || echo FAILED |
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# stdout-json: "1\n2\nFAILED\n" |
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# status: 0 |
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|
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### ! with ( ) |
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! ( echo 1; echo 2 ) || echo FAILED |
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# stdout-json: "1\n2\nFAILED\n" |
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# status: 0 |
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|
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### ! is not a command |
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v='!' |
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$v echo hi |
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# status: 127 |
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