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13 lines
522 B
Text
13 lines
522 B
Text
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keywords='if then else elif fi while until for do done { } case esac ! in'
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# Keywords can be used unquoted in case statements, except the keyword
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# esac as the first pattern of a '|' alternation without a starting '('.
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# (POSIX doesn't seem to require (esac) to work.)
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for k in $keywords; do
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eval "case $k in (foo|$k) ;; *) echo bad ;; esac"
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eval "case $k in ($k) ;; *) echo bad ;; esac"
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eval "case $k in foo|$k) ;; *) echo bad ;; esac"
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[ "$k" = esac ] && continue
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eval "case $k in $k) ;; *) echo bad ;; esac"
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done
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