fig14_01.pl

PERL语言资料 可以用于PERL程序设计

#!/usr/bin/perl
# Fig. 14.1: fig14_01.pl
# Using the FileHandle module

use warnings;
use strict;
use FileHandle;

my $write = new FileHandle;
my $read  = new FileHandle;

$write->open( ">filehandle.txt" ) or 
   die( "Could not open write" );
$read->open( "input.txt" ) or 
   die( "Could not open read" );

$write->autoflush( 1 );

my $i = 1;

while ( my $line = $read->getline() ) {
   $write->print( $i++, " $line" );
}


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