Help for this page

Select Code to Download


  1. or download this
    my $file = 'text.txt';
    open my $fh, '<' , $file or die $!;
    ...
    close $fh;
    
    print scalar @data;
    
  2. or download this
    system( 'cat text.txt|wc -l| sed \'s/^[ \t]*//\'|sed \'s/[ \t]*$//\'' 
    +);