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# $FreeBSD: releng/12.0/bin/sh/tests/parser/case1.0 207824 2010-05-09 17:10:50Z jilles $
keywords='if then else elif fi while until for do done { } case esac ! in'
# Keywords can be used unquoted in case statements, except the keyword
# esac as the first pattern of a '|' alternation without a starting '('.
# (POSIX doesn't seem to require (esac) to work.)
for k in $keywords; do
eval "case $k in (foo|$k) ;; *) echo bad ;; esac"
eval "case $k in ($k) ;; *) echo bad ;; esac"
eval "case $k in foo|$k) ;; *) echo bad ;; esac"
[ "$k" = esac ] && continue
eval "case $k in $k) ;; *) echo bad ;; esac"
done
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