Pass file handle reference in a the form of '*FILEHANDLE{IO}' : file handle « File « Perl






Pass file handle reference in a the form of '*FILEHANDLE{IO}'

    

sub printem
{
    my $file = shift;

    while (<$file>) {
         print;
    }
}

open FILEHANDLE, "<file.txt" or die "Can not open file";

printem *FILEHANDLE{IO};

   
    
    
    
  








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