I would also use File::Basename.

Sample use: 

use strict;

use File::Basename;

my $mFileName;
my $mFilePath;
my $mFileExt;

foreach (
          '/home/rhose/work/perl/test',
          '/home/rhose/work/perl/test.pl',
          'c:\work\perl\test',
          'c:\work\perl\test.pl'
        )
{

  ($mFileName, $mFilePath, $mFileExt)=fileparse($_,'\.[^.]*');

  print "Full:\t",$_,"\n";
  print "Path:\t",$mFilePath,"\n";
  print "Name:\t",$mFileName,"\n";
  print "Ext:\t",$mFileExt,"\n";
  print "\n";
}

[download]

In reply to File::Basename by Rhose
in thread filetype extension query by Anonymous Monk

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