projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| 28ef6c31 JA |
1 | # builtins with exit status inverted |
| 2 | ||
| 3 | ( true ) | |
| 4 | echo $? | |
| 5 | ( ! true ) | |
| 6 | echo $? | |
| 7 | ||
| 8 | ( false ) | |
| 9 | echo $? | |
| 10 | ( ! false ) | |
| 11 | echo $? | |
| 12 | ||
| 13 | # inverting shouldn't affect exit | |
| 14 | (exit 42) | |
| 15 | echo $? | |
| 16 | ||
| 17 | ( ! exit 42 ) | |
| 18 | echo $? | |
| 19 | ||
| 20 | # commands requiring an exec with exit status inverted -- broken in bash-2.04 | |
| 21 | ||
| 22 | ( ls > /dev/null 2>&1 ) | |
| 23 | echo $? | |
| 24 | ( ! ls > /dev/null 2>&1 ) | |
| 25 | echo $? | |
| 26 | ||
| 27 | touch /tmp/notwrite | |
| 28 | chmod 400 /tmp/notwrite | |
| 29 | ||
| 30 | # make sure redirection failures in commands whose exit status is inverted | |
| 31 | # are handled correctly | |
| 32 | ||
| 33 | ( ls > /tmp/notwrite ) 2>/dev/null | |
| 34 | echo $? | |
| 35 | ||
| 36 | ( ! ls > /tmp/notwrite ) 2>/dev/null | |
| 37 | echo $? | |
| 38 | ||
| 39 | # now add exit traps, true and false for commands with and without exit | |
| 40 | # status inversion | |
| 41 | ||
| 42 | (trap 'false' 0 ; ! ls > /tmp/notwrite ) 2>/dev/null | |
| 43 | echo $? | |
| 44 | ||
| 45 | (trap 'false' 0 ; ls > /tmp/notwrite ) 2>/dev/null | |
| 46 | echo $? | |
| 47 | ||
| 48 | (trap 'true' 0 ; ! ls > /tmp/notwrite ) 2>/dev/null | |
| 49 | echo $? | |
| 50 | ||
| 51 | (trap 'true' 0 ; ls > /tmp/notwrite ) 2>/dev/null | |
| 52 | echo $? | |
| 53 | ||
| 54 | rm -f /tmp/notwrite |