#! bash

NEWDIR=../new$$

mkdir $NEWDIR || { echo "can't make $NEWDIR" 2>&1; exit 2; }

for f
do
	NEWNAME=`echo $f | tr '[A-Z]' '[a-z]'`
	echo "renaming $f as $NEWNAME ..."
	mv $f $NEWDIR/$NEWNAME && mv $NEWDIR/$NEWNAME $NEWNAME
done

rmdir $NEWDIR