kiss/contrib/kiss-help

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#!/bin/sh
# Read KISS documentation
cd "$KISS_ROOT/usr/share/doc/kiss" 2>/dev/null || {
printf 'Documentation is missing from /usr/share/doc/kiss\n'
exit 1
}
[ -f "${1:-.}/index.txt" ] && file=./${1:-.}/index.txt
[ -f "${1:-.}.txt" ] && file=./${1:-.}.txt
[ -f "${1:-:}" ] && file=./${1:-.}
"${PAGER:-less}" "${file:-404.txt}"