bash/zsh functions for easy torrent creation on private trackers

mktor_functions.sh

TORRENT_WATCH_DIR="$HOME/rtorrent/watch/load"
ANNOUNCE_BTN='http://landof.tv/YOUR_PASSKEY/announce'
ANNOUNCE_PTP='http://please.passthepopcorn.me:2710/YOUR_PASSKEY/announce'
ANNOUNCE_HDB='http://tracker.hdbits.org/announce.php?passkey=YOUR_PASSKEY'

mkt() {
    tracker="$1"
    announce=$(eval printf -- "'%s'" "\$ANNOUNCE_$tracker")
    if [[ -z "$announce" ]]; then
        printf 'Error: $ANNOUNCE_%s is not set\n' "$tracker" >&2
        return 1
    fi

    rest=()
    i=1
    for arg; do
        if [[ $i -eq $# ]]; then
            filename="$arg"
        elif [[ $i -ge 2 ]]; then
            rest+=("$arg")
        fi

        let i++
    done

    torrentname="${filename##*/}[$tracker]"

    mktor -p -v -H -x '*.txt' -x '*.nfo' -x '*.png' -x '*.jpg' -o "$torrentname.torrent" "${rest[@]}" "$filename" "$announce" &&
    mv "$torrentname-resume.torrent" "$TORRENT_WATCH_DIR" &&
    rm -f "$torrentname.torrent"
}

alias mkbtn='mkt BTN'
alias mkptp='mkt PTP --no-cross-seed -s info.source=PTP'
alias mkhdb='mkt HDB --no-cross-seed -s info.source=HDBits'