摘要:
箭头操作符有两种用法。* 第一种用法是访问引用中的数据元素:```#!/usr/bin/perl -wuse strict;my @a = (5, 6, 7,9);my $aref = \@a;print $aref, "\n"; # ARRAY(0xbcac08)print $aref... 阅读全文
摘要:
```#!/usr/bin/perl -wuse strict;my $someURL = 'http://www.perl.com';my $html = Perl HomepageEOF#open (DATAFILE, ">data.file") || die "Could not open '... 阅读全文