If you put all of your files into an array instead of an individual variable for each, you could iterate through your array. 
<input name='file' ...>
<input name='file' ...>  <!-- instead of doing file1, file2 -->
<input name='file' ...>

my @files = $cgi->param('file');

foreach (@files) {
   # process as needed or just use as-is
}

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In reply to Re: Simplifying the following code by Fastolfe
in thread Simplifying the following code by Stamp_Guy

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