#!/bin/bash
ls *jpg > filelist
file=filelist
fdir=".tmp_fldr_fr_renamer"
if [ ! -d .tmp_fldr_fr_renamer ]
then
mkdir .tmp_fldr_fr_renamer
else
echo temp already exsist
fi

while [ $file == "" ]
do
echo "enter a file name with the script"
read $file
done

echo "filename is $file"
cat -n $file > $fdir/temp
count=1 
size=`cat $file | wc -l`

while [ $count -le $size ]
do
if [ $count -lt 10 ] 
then
cat $fdir/temp | grep ^[[:space:]][[:space:]][[:space:]][[:space:]][[:space:]]$count | sed s/$count// | sed s/^[[:space:]]*// > $fdir/new
else
if [ $count -lt 100 ] 
then
cat $fdir/temp | grep ^[[:space:]][[:space:]][[:space:]][[:space:]]$count | sed s/$count// | sed s/^[[:space:]]*// > $fdir/new
else
if [ $count -lt 1000 ] 
then
cat $fdir/temp | grep ^[[:space:]][[:space:]][[:space:]]$count | sed s/$count// | sed s/^[[:space:]]*// > $fdir/new
else
if [ $count -lt 10000 ] 
then
cat $fdir/temp | grep ^[[:space:]][[:space:]]$count | sed s/$count// | sed s/^[[:space:]]*// > $fdir/new
else
if [ $count -lt 100000 ] 
then
cat $fdir/temp | grep ^[[:space:]]$count | sed s/$count// | sed s/^[[:space:]]*// > $fdir/new
else
cat $fdir/temp | grep $count | sed s/$count// | sed s/^[[:space:]]*// > $fdir/new
fi
fi
fi
fi
fi
text=`cat $fdir/new`
echo $text
mv $text $count.jpg

let count=count+1
done

#rm -f temp
#rm -f new