mirror of
https://https.git.savannah.gnu.org/git/bash.git
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Chet Ramey
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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set +o posix
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shopt -u xpg_echo
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echo $SHELLOPTS
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set +B # on by default
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# shouldn't appear
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echo $SHELLOPTS | grep braceexpand
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export SHELLOPTS
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# but it will appear here because it's enabled by default
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${THIS_SH} -c 'echo $SHELLOPTS'
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# turn off an option that's on by default
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${THIS_SH} +B -c 'echo $SHELLOPTS'
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${THIS_SH} +o braceexpand -c 'echo $SHELLOPTS'
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# turn on an option that's off by default
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if ${THIS_SH} -f -c 'echo $SHELLOPTS' | grep noglob 2>&1; then
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:
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else
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echo 'SHELLOPTS: noglob not inherited correctly'
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fi
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# in a different way
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set -o noglob
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if ${THIS_SH} -c 'echo $SHELLOPTS' | grep noglob 2>&1; then
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:
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else
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echo 'SHELLOPTS: noglob not inherited correctly'
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fi
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# restore default state
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set -o braceexpand
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set +o noglob
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# but assigning to SHELLOPTS is an error; have to use set -o/+o
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SHELLOPTS=$SHELLOPTS
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