$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04.2 LTS Release: 20.04 Codename: focal $ #### ls | perl -nle 'BEGIN {$counter=0}; $old=$_;$new="image"."$counter".".jpg"; +rename($old,$new);$counter++;' $ #### $ ls | perl -nle 'BEGIN {$counter=0}; $old=$_;$new="image"."$counter"."jpg"; > +rename($old,$new);$counter++;' $ ls | perl -nle 'BEGIN {$counter=0}; $old=$_;$new="image"."$counter".".jpg"; +rename($old,$new);$counter++;' $ #### $ pwd /home/hogan/6.scripts.personal/1.umatilla.1./template_stuff/aimages $ ls image0.jpg image12.jpg image15.jpg image3.jpg image6.jpg image9.jpg image10.jpg image13.jpg image1.jpg image4.jpg image7.jpg image11.jpg image14.jpg image2.jpg image5.jpg image8.jpg $ #### ls | perl -nle 'BEGIN {$counter=0}; $old=$_;$new="caption"."$counter".".txt"; +rename($old,$new);$counter++;' #### $ pwd /home/hogan/6.scripts.personal/1.umatilla.1./template_stuff/captions $ ls caption0.txt caption13.txt caption2.txt caption6.txt caption10.txt caption14.txt caption3.txt caption7.txt caption11.txt caption15.txt caption4.txt caption8.txt caption12.txt caption1.txt caption5.txt caption9.txt $