#!/bin/sh
# Usage: rcs-prep TITLE RCSFILE ...

set -eu
usage='Make sure that RCS files by the given names exist, and title them.'
eval "$(args rcs-prep title -r -u "$usage" -- "$@")"

for f in "$@"; do
    case "$f" in
        *",v") ;;
        *)
        echo "not an RCS filename: $f" >&2
        exit 1
        ;;
    esac
done

for f in "$@"; do
    [ -f $f ] || {
        rcs -i -U -t-"$title" $f
    }
done