$ ./file_op.pl Directory name is /home Directory name is /home/abhosale Directory name is /home/abhosale/.texmf Directory name is /home/abhosale/.texmf/config Directory name is /home/abhosale/.texmf/config/web2c Directory name is /home/abhosale/.texmf/var Directory name is /home/abhosale/.texmf/var/fonts Directory name is /home/abhosale/.texmf/var/fonts/map Directory name is /home/abhosale/.texmf/var/fonts/map/dvipdfm Directory name is /home/abhosale/.texmf/var/fonts/map/dvipdfm/updmap Directory name is /home/abhosale/.texmf/var/fonts/map/dvips Directory name is /home/abhosale/.texmf/var/fonts/map/dvips/updmap Directory name is /home/abhosale/.texmf/var/fonts/map/pdftex Directory name is /home/abhosale/.texmf/var/fonts/map/pdftex/updmap Directory name is /home/abhosale/.texmf/var/web2c File /home/first is present in /home/ File type: 33188 Directory name is /home/myprog File /home/myprog/abc is present in /home/myprog/ File type: 33188 File /home/myprog/abd is present in /home/myprog/ File type: 33188 File /home/myprog/matter is present in /home/myprog/ File type: 33188 File /home/myprog/newfile is present in /home/myprog/ File type: 33188 File /home/myprog/oldfile is present in /home/myprog/ File type: 33188