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#!/bin/basharr=()j=0IFS=''PWD=`pwd`DIR=$1if [ "x$DIR" != "x" ] ; then   cd $DIRfifor i in `ls -1` ; do   if [ -d "$i" ] ; then      arr[$j]=$i      j=`expr $j + 1`   fidonels --color=auto -d ${arr[@]}if [ "x$DIR" != "x" ] ; then   cd $PWDfi