zogg2mp3

#!/bin/zsh

#       ogg2mp3 written in zsh
#       version 0.1
#       Copyright 2010 Mephiston <meph.snake@gmail.com>
#
#       This program is free software; you can redistribute it and/or modify
#       it under the terms of the GNU General Public License as published by
#       the Free Software Foundation; either version 3 of the License, or
#       (at your option) any later version.
#
#       This program is distributed in the hope that it will be useful,
#       but WITHOUT ANY WARRANTY; without even the implied warranty of
#       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#       GNU General Public License for more details.
#
#       You should have received a copy of the GNU General Public License
#       along with this program; if not, get a copy on http://www.gnu.org/licenses/gpl.txt


# ---------------- Generic utilities ---------------- #
# The main purpose of this script is to easily conver OGG files into MP3 files
# Because some devices don't accept ogg format
# This script converts massively the ogg files of your actual directory

# ---------------- Instructions ---------------- #
# For using this script ou must have installed ZSH and ffmpeg
zmodload zsh/mathfunc
if [ -z "$1" ]
    then
    value=160
    valuet=$(( ($value*1000) ))
    #If bitrate is not specified will use
    mensaje="Bitrate value not supplied. Default: 160kbps.\nNote: If you want to specify some specify bitrate in kbps, just write something like 'ogg2mp3 120 ''"
else
    value=$1
    valuet=$(( ($1*1000) ))
    mensaje="Bitrate value suplied. Using $value"
fi

function capitalize {
    for i in *.ogg; do
    mv $i ${${(C)i}:s/Ogg/ogg/}
    done
}

function removespace {
    for a in ./**/*\ *(Dod);
    do mv $a ${a:h}/${a:t:gs/ /_};
    done
}

echo "---------------------------"
echo "| ogg2mp3 v0.1 ZSH VERSION|"
echo "| Author: Mephiston       |"
echo "---------------------------"

capitalize #Now we capitalize the words with spaces between them
removespace #Now we remove spaces between the words

sleep 2
for archivo in *.ogg; do
    oggname="$(basename "$archivo" .ogg)"
    echo $mensaje && sleep 3 && ffmpeg -i "$oggname.ogg" -ab $valuet "$oggname.mp3"
done
    #Now it checks if exists some errors.
    #If all is correct delete the ogg.
    if [ $? -eq 0 ]
    then
    clear
        echo "File conversion with bitrate on $value finished\nDo you want to delete OGG files? y/n"
        read respuesta;
        case $respuesta in
            Y|y) rm -f "$oggname.ogg";;
            S|s) rm -f "$oggname.ogg";;
            *) echo "The files were not deleted";;
        esac
    fi