change year timestamp on all files in dir

#!/bin/bash
#change year on files
#created by Rado
ls -l |grep -v total |while read prava malecislo user grupa cislo datum cas subor; do
#echo $datum
YY=`echo $datum|cut -d - -f 1`
MM=`echo $datum|cut -d - -f 2`
DD=`echo $datum|cut -d - -f 3`
HH=`echo $cas|cut -d : -f 1`
min=`echo $cas|cut -d : -f 2`
# change only files from year 2008
if [ "$YY" = 2008 ]; then
# Change 09 to year wich is requested, where 09 is 2009
touch -t 09$MM$DD$HH$min $subor
echo "changed file:" $subor $YY
else
echo "not valid file" $subor $YY
fi
done