fig08_14.pl

来自「PERL语言资料 可以用于PERL程序设计」· PL 代码 · 共 50 行

#!usr/bin/perl
# Fig 8.14: fig08_14.pl
# Search perl code for variables.

use strict;
use warnings;

my $string = '$one $two @three $four @five $six $seven @eight';

findScalar( $string );
findArray( $string );

sub findScalar
{
   my $string = shift();

   while ( $string =~ m/\$(\w+)/g ) {
      print "scalar name: $1\n";
   }

   print "\n";
}

sub findArray
{
   my $string = shift();

   while ( $string =~ m/@(\w+)/g ) {
      print "array name: $1\n";
   }

   print "\n";
}

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