To read a number of bytes from a file: $bytes_read = read(filehandle, $var, $length, $offset); : file read « File « Perl






  1. Perl
  2. File
  3. file read

To read a number of bytes from a file: $bytes_read = read(filehandle, $var, $length, $offset);

    

#!/usr/bin/perl -w

# Usage:
#   read.pl infile outfile
#
$input = $ARGV[0];

$output = ">" . $ARGV[1];

open(INPUT, $input) or die "Can't open $input due to $!.";

open(OUTPUT, $output) or die "Can't open $output due to $!.";

$length = 1024;

$bytes_read = read(INPUT, $var, $length);

while ($bytes_read > 0) {
    print OUTPUT $var;
    $bytes_read = read(INPUT, $var, $length);
} 
close (INPUT);
close (OUTPUT);








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