#!/bin/sh

OUTPUT_NAME="tc-video"

usage () {
	cat <<EOF>&2
Usage: ${0##*/} [FILES]

Create a '$OUTPUT_NAME' script in current folder. The script provides a FFmpeg call
to transcode FILES with some useful options and instructive help.

This script is meant to be easily editable to fit the user needs.

EOF
}

[ $# -eq 0 ] && usage && exit 1
[ "$1" = "-h" ] && usage && exit
[ "$1" = "--" ] && shift

escname () {
	echo "$@" | sed 's|/|\\/|g'
}

SCRIPT_PATH="${0%/*}"
SCRIPT_NAME="${0##*/}"
FILELIST=""
if [ -f "$SCRIPT_PATH/.$SCRIPT_NAME.in" ]; then
	cp -i "$SCRIPT_PATH/.$SCRIPT_NAME.in" "$OUTPUT_NAME"
	for i ; do
		esci="$(escname "$i")"
		FILELIST="${FILELIST:+$FILELIST -i }'$esci'"
		ex -sc "%s/###FILENAMES/'$esci' ###FILENAMES/ | xit" "$OUTPUT_NAME"
	done
	ex -sc '%s/###FILELIST/'"$FILELIST"'/ | xit' "$OUTPUT_NAME"
	chmod +x "$OUTPUT_NAME"
else
	echo ".$SCRIPT_NAME.in not found"
fi