#!/bin/bash
######################################################
#       Bulk-unrar
#       Extracting rar archives from a directory
#       Requierments: unrar
######################################################

while getopts d: option
do
case $option in
d)
conf_dir=$OPTARG
;;
esac
done

fnExtract()
{
cd $conf_dir
ARCH=`ls | grep rar`
for i in ${ARCH[@]};
        do
        unrar -y x $i > /dev/null 2>&1
        done
}

fnExtractPart01()
{
cd $conf_dir
ARCH=`ls | grep part01`
for i in ${ARCH[@]};
        do
        unrar -y x $i > /dev/null 2>&1
        done
}

if [ "$2" = "" ]
        then
                echo "Usage: -d [directory] "
        else
                if [ -d $conf_dir ]
                        then
                        PART01=`ls | grep part01 | wc -l`
                        if [ $PART01 = 1 ]
                                then
                                fnExtractPart01
                                else
                                fnExtract
                        fi
                        else
                        echo "bunrar: $conf_dir: No such file or directory."
                fi
fi