| Denys Vlasenko | cddbb61 | 2010-05-20 14:27:09 +0200 | [diff] [blame] | 1 | # Exitcode 0 (`` has no exitcode, but assignment has): |
| 2 | true; a=``; echo $? |
| 3 | false; a=``; echo $? |
| 4 | true; a=$(); echo $? |
| 5 | false; a=$(); echo $? |
| 6 | # Exitcode 2 (`cmd` expansion sets exitcode after assignment set it to 0): |
| 7 | true; a=`exit 2`; echo $? |
| 8 | false; a=`exit 2`; echo $? |
| 9 | true; a=$(exit 2); echo $? |
| 10 | false; a=$(exit 2); echo $? |
| 11 | # Exitcode 1 (redirect sets exitcode to 1 on error after them): |
| 12 | true; a=`` >/does/not/exist; echo $? |
| 13 | false; a=`` >/does/not/exist; echo $? |
| 14 | true; a=$() >/does/not/exist; echo $? |
| 15 | false; a=$() >/does/not/exist; echo $? |
| 16 | true; a=`exit 2` >/does/not/exist; echo $? |
| 17 | false; a=`exit 2` >/does/not/exist; echo $? |
| 18 | true; a=$(exit 2) >/does/not/exist; echo $? |
| 19 | false; a=$(exit 2) >/does/not/exist; echo $? |
| 20 | # ...and assignment still happens despite redirect error: |
| 21 | true; a=$(echo b) >/does/not/exist; echo $? |
| 22 | echo "Done: a=$a" |