herewith if you want to rename mass file with same extention
ls | xargs -i mv {} {}.tmp
revert back to original file
for a in $(ls);do echo "renaming $a";new_name=`echo $a |sed 's/.tmp//g'`;mv $a $new_name;done
herewith if you want to rename mass file with same extention
ls | xargs -i mv {} {}.tmp
revert back to original file
for a in $(ls);do echo "renaming $a";new_name=`echo $a |sed 's/.tmp//g'`;mv $a $new_name;done