4 while getopts "c:" o; do
10 shift $(( $OPTIND - 1 ))
11 case $bad in t) echo >&2 "usage: $0 [-c COMMENT] [FILE ...]"; exit 2 ;; esac
13 sed 's/^.*LocalWords: *//' "$@" |
14 tr ' ' '\n' | sort -fu | tr '\n' ' ' |
16 sed "s/^/$comment LocalWords: /; s/[[:space:]]*\$//"