fyqcdbdx的专栏

shell是一个解释“程序”，专门用来解释执行各种命令；   perl是一种脚本语言，用它写出来的脚本程序可以通过shell来解释执行;Perl是什么一、Perl是什么?Perl是Practical Extraction and Report Language的缩写，它是由Larry Wall设计的，并由他不断更新和维护，用于在UNIX环境下编程。.Perl

方法一：In shell using export to output a variable, and in perl using special variable %ENV to get shell's variables.i.e.:--- shell box---$ \bin\ksh# export x=Foo# perl -e 'print $ENV{"x"}'-

在使用perl连接数据库的时候出现错误如下：如果是在oracle用户下执行没有问题，初步怀疑是环境变量配置关系 [oracle@test ~]$ more /Application/monitor/noc/db.poolinstall_driver(Oracle) failed: Can't load '/usr/lib/perl5/site_perl/5.8.5/i386-lin

convert to UTF8?I'm trying to fix an issue for someone who's using a meta-search engine on a French web site. The data being pulled in, I would have assumed, should already be in UTF-8, since the

#!/usr/bin/perl #---------------------------------------------------------use strict;my $dir = "dirname/";opendir DH, $dir or die "cannot chdir to $dir : $!";for my $file (readdir DH){ ($file eq '.