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45 lines
638 B
Text
45 lines
638 B
Text
IFS=,
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SPECIAL="break abc,\
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continue abc,\
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.,
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exit abc,
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export -x,
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readonly -x,
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return abc,
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set -z,
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shift abc,
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trap -y,
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unset -y"
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UTILS="alias -y,\
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cat -z,\
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cd abc def,\
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command break abc,\
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expr 1 +,\
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fc -z,\
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getopts,\
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hash -z,\
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jobs -z,\
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printf,\
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pwd abc,\
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read,\
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test abc =,\
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ulimit -z,\
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umask -z,\
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unalias -z,\
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wait abc"
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# Special built-in utilities must abort on an option or operand error.
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set -- ${SPECIAL}
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for cmd in "$@"
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do
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${SH} -c "${cmd}; exit 0" 2>/dev/null && exit 1
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done
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# Other utilities must not abort.
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set -- ${UTILS}
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for cmd in "$@"
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do
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${SH} -c "${cmd}; exit 0" 2>/dev/null || exit 1
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done
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