fig13_09.pl

来自「PERL语言资料 可以用于PERL程序设计」· PL 代码 · 共 45 行

#!/usr/bin/perl
# Figure 13.9: fig13_09.pl
# Demonstrates passing arrays to a function

use warnings;
use strict;

my @array1 = ( 1 .. 8 );
my @array2 = ( 'a' .. 'e' );
my @mixed = arrayMixer( \@array1, \@array2 );
print( "@mixed\n" );
my @mixed2 = arrayMixer( [ 'I', 'to', 'park' ], [ 'go', 'the' ] );
print( "@mixed2\n" );

sub arrayMixer
{
   my @firstArray = @{ $_[ 0 ] };
   my @secondArray = @{ $_[ 1 ] };
   my ( $first, $second, @array );

   while ( ( $first = shift( @firstArray ) ) &&
           ( $second = shift( @secondArray ) ) ) {
      push( @array, $first, $second );
   }

   push( @array, $first, @firstArray ) if ( $first );
   push( @array, @secondArray ) if ( $second );

   return @array;
}

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