Perl逐行读取

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$file='SnPmaster.txt';
open(INFO, $file) or die("Could not open  file.");
$count = 0; 
foreach $line (<INFO>)  {   
    print $line;    
    if ($++counter == 2){
      last;
close(INFO);

use strict;
use warnings;
my $file = 'SnPmaster.txt';
open my $info, $file or die "Could not open $file: $!";
while( my $line = <$info>)  {   
    print $line;    
    last if $. == 2;
close $info;

my $count = 0;
while( my $line = <$info>)  {   
    print $line;    
    last if ++$count == 2;
}

#!/usr/bin/perl
use utf8                       ;
use 5.10.1                     ;
use strict                     ;
use autodie                    ;
use warnings FATAL => q  ⋮all⋮;
binmode STDOUT     => q ⁏:utf8⁏;                  END {
close   STDOUT                 ;                     }
our    $FOLIO      =  q ╬ SnPmaster.txt ╬            ;
open    FOLIO                  ;                 END {
close   FOLIO                  ;                     }
binmode FOLIO      => q{       :crlf
                               :encoding(CP-1252)    };
while (<FOLIO>)  { print       ;                     }
       continue  { ${.} ^015^  __LINE__  ||   exit   }
                                                                                                                                                                                                                                              __END__
unlink  $FOLIO                 ;
unlink ~$HOME ||
  clri ~$HOME                  ;

Perl逐行读取

4 个回答