projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| 8868edaf CR |
1 | # This program is free software: you can redistribute it and/or modify |
| 2 | # it under the terms of the GNU General Public License as published by | |
| 3 | # the Free Software Foundation, either version 3 of the License, or | |
| 4 | # (at your option) any later version. | |
| 5 | # | |
| 6 | # This program is distributed in the hope that it will be useful, | |
| 7 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 8 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 9 | # GNU General Public License for more details. | |
| 10 | # | |
| 11 | # You should have received a copy of the GNU General Public License | |
| 12 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 13 | # | |
| 726f6388 JA |
14 | if : ; then |
| 15 | set -e | |
| 16 | N=95 | |
| 17 | while :; do | |
| 18 | # expr returns 1 if expression is null or 0 | |
| 19 | set +e | |
| 20 | N_MOD_100=`expr $N % 100` | |
| 21 | set -e | |
| 22 | echo $N_MOD_100 | |
| 23 | N=`expr $N + 1` | |
| 24 | if [ $N -eq 110 ]; then | |
| 25 | break | |
| 26 | fi | |
| 27 | done | |
| 28 | set +e | |
| 29 | fi | |
| 28ef6c31 JA |
30 | |
| 31 | ( | |
| 32 | set -e | |
| 33 | false | |
| 34 | echo bad | |
| 35 | ) | |
| 36 | echo $? | |
| 37 | ||
| 38 | x=$( | |
| 39 | set -e | |
| 40 | false | |
| 41 | echo bad | |
| 42 | ) | |
| 43 | echo $? $x | |
| 44 | ||
| ccc6cda3 JA |
45 | # command subst should not inherit -e |
| 46 | set -e | |
| 47 | echo $(false; echo ok) | |
| d166f048 JA |
48 | |
| 49 | if set +e | |
| 50 | then | |
| 51 | false | |
| 52 | fi | |
| 53 | echo hi | |
| 54 | ||
| 55 | set -e | |
| 56 | ||
| 57 | # a failing command in the compound list following a while, until, or | |
| 58 | # if should not cause the shell to exit | |
| 59 | ||
| 60 | while false; do | |
| 61 | echo hi | |
| 62 | done | |
| 63 | echo while succeeded | |
| 64 | ||
| 65 | x=1 | |
| 66 | until (( x == 4 )); do | |
| 67 | x=4 | |
| 68 | done | |
| 69 | echo until succeeded: $x | |
| 70 | ||
| 71 | if false; then | |
| 72 | echo oops | |
| 73 | fi | |
| 74 | echo if succeeded | |
| 75 | ||
| 76 | # failing commands that are part of an AND or OR list should not | |
| 77 | # cause the shell to exit | |
| 78 | false && echo AND list failed | |
| 79 | echo AND list succeeded | |
| 80 | ||
| 81 | false || echo OR list succeeded | |
| 82 | ||
| 83 | ! false | |
| 84 | echo ! succeeded | |
| 85 | ||
| 86 | # make sure eval preserves the state of the -e flag and `!' reserved word | |
| 87 | set -e | |
| 88 | if eval false; then | |
| 89 | echo oops | |
| 90 | fi | |
| 91 | echo eval succeeded | |
| 92 | ||
| 93 | ! eval false | |
| 94 | echo ! eval succeeded -- 1 | |
| 95 | ||
| 96 | ! eval '(exit 5)' | |
| 97 | echo ! eval succeeded -- 2 | |
| 3185942a JA |
98 | |
| 99 | set -e | |
| 100 | until builtin false; do echo a; break; done | |
| 101 | echo $? | |
| 102 | ||
| 103 | until eval false; do echo b; break; done | |
| 104 | echo $? | |
| 105 | ||
| 106 | : ${TMPDIR:=/tmp} | |
| 107 | FN=$TMPDIR/set-e-$$ | |
| 108 | cat > $FN << EOF | |
| 109 | false | |
| 110 | echo after 1 | |
| 111 | false | |
| 112 | EOF | |
| 113 | ||
| 114 | set -e | |
| 115 | until . $FN; do echo a; break; done | |
| 116 | echo $? | |
| 117 | ||
| 118 | rm -f $FN | |
| 17345e5a JA |
119 | |
| 120 | set +e | |
| 121 | ||
| 122 | ${THIS_SH} ./set-e1.sub | |
| 123 | ${THIS_SH} ./set-e2.sub | |
| ac50fbac | 124 | ${THIS_SH} ./set-e3.sub |