1# $FreeBSD$ 2 3keywords='if then else elif fi while until for do done { } case esac ! in' 4 5# Keywords can be used unquoted in case statements, except the keyword 6# esac as the first pattern of a '|' alternation without a starting '('. 7# (POSIX doesn't seem to require (esac) to work.) 8for k in $keywords; do 9 eval "case $k in (foo|$k) ;; *) echo bad ;; esac" 10 eval "case $k in ($k) ;; *) echo bad ;; esac" 11 eval "case $k in foo|$k) ;; *) echo bad ;; esac" 12 [ "$k" = esac ] && continue 13 eval "case $k in $k) ;; *) echo bad ;; esac" 14done 15