#!/bin/sh

OUTPUT_NAME="tc-video"

_printhelp()
{
    cat <<EOF
Usage: ${1##*/} [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
}

if [ $# -eq 0 ] || [ "$1" = "-h" ]; then
    _printhelp "$0"
    exit
fi

_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