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23 lines
843 B
Plaintext
23 lines
843 B
Plaintext
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# Exitcode 0 (`` has no exitcode, but assignment has):
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true; a=``; echo $?
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false; a=``; echo $?
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true; a=$(); echo $?
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false; a=$(); echo $?
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# Exitcode 2 (`cmd` expansion sets exitcode after assignment set it to 0):
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true; a=`exit 2`; echo $?
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false; a=`exit 2`; echo $?
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true; a=$(exit 2); echo $?
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false; a=$(exit 2); echo $?
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# Exitcode 1 (redirect sets exitcode to 1 on error after them):
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true; a=`` >/does/not/exist; echo $?
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false; a=`` >/does/not/exist; echo $?
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true; a=$() >/does/not/exist; echo $?
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false; a=$() >/does/not/exist; echo $?
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true; a=`exit 2` >/does/not/exist; echo $?
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false; a=`exit 2` >/does/not/exist; echo $?
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true; a=$(exit 2) >/does/not/exist; echo $?
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false; a=$(exit 2) >/does/not/exist; echo $?
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# ...and assignment still happens despite redirect error:
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true; a=$(echo b) >/does/not/exist; echo $?
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echo "Done: a=$a"
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