Passing file handles to functions : file handle « File « Perl

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Perl » File » file handle 
Passing file handles to functions
    

#!/usr/bin/perl

use warnings;
use strict;

my $file = "yourFile.txt";
openFILE, $file or die"Error opening $file: $!" );
my $filehandle = *FILE;
readhandle$filehandle );
closeFILE or die"Error closing $file: $!" );


sub readhandle
{
   my $fh = shift();
   print while <$fh> );
}

   
    
    
    
  
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14. To write to a file:
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