Using a scalar variable to store a file variable name. : file handle « File « Perl

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Perl » File » file handle 




Using a scalar variable to store a file variable name.
    
#!/usr/local/bin/perl 

&open_file("INFILE""""file1")
&open_file("OUTFILE"">""file2")
while ($line = &read_from_file("INFILE")) { 
    &print_to_file("OUTFILE", $line)


sub open_file 
    local ($filevar, $filemode, $filename= @_; 
    open ($filevar, $filemode . $filename|| die ("Can't open $filename")

sub read_from_file 
    local ($filevar= @_; 
    <$filevar>; 

sub print_to_file 
    local ($filevar, $line= @_; 
    print $filevar ($line)


   
    
    
    
  














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