#!/usr/bin/perl for ($i=1; $i <= 14; $i++) { for ($j=1; $j <= 6; $j++) { for ($k=1; $k <= 5; $k++) { $fname = "song".$i."f".$j."sel".$k.".mat"; $cmd = "wget http://homepages.cae.wisc.edu/~sethares/clusterdata/$fname"; print "$cmd\n"; system ($cmd); } } }