http://www.perlmonks.org?node_id=967664


in reply to Put "ls" in array

for a beginner, I recommend File::Find::Rule for this usage. below is some examples grasp from its synopsis: 
# find all the subdirectories of a given directory
  my @subdirs = File::Find::Rule->directory->in( $directory );

  # find all the .pm files in @INC
  my @files = File::Find::Rule->file()
                              ->name( '*.pm' )
                              ->in( @INC );

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