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- # Exitcode 0 (`` has no exitcode, but assignment has):
- true; a=``; echo $?
- false; a=``; echo $?
- true; a=$(); echo $?
- false; a=$(); echo $?
- # Exitcode 2 (`cmd` expansion sets exitcode after assignment set it to 0):
- true; a=`exit 2`; echo $?
- false; a=`exit 2`; echo $?
- true; a=$(exit 2); echo $?
- false; a=$(exit 2); echo $?
- # Exitcode 1 (redirect sets exitcode to 1 on error after them):
- true; a=`` >/does/not/exist; echo $?
- false; a=`` >/does/not/exist; echo $?
- true; a=$() >/does/not/exist; echo $?
- false; a=$() >/does/not/exist; echo $?
- true; a=`exit 2` >/does/not/exist; echo $?
- false; a=`exit 2` >/does/not/exist; echo $?
- true; a=$(exit 2) >/does/not/exist; echo $?
- false; a=$(exit 2) >/does/not/exist; echo $?
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