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标题: 这几道题谁能回答下吗？ [打印本页]

作者: ccc77 时间: 2009-11-22 10:12
标题: 这几道题谁能回答下吗？
1). What arguments do you frequently use for the Perl interpreter and what do they mean?
2). What does the command ‘use strict’ do and why should you use it?
3). What do the symbols $ @ and % mean when prefixing a variable?
4). What elements of the Perl language could you use to structure your code to allow for maximum re-use and maximum readability?
5). What are the characteristics of a project that is well suited to Perl?
6). Why do you program in Perl?
7). Explain the difference between my and local.

. Explain the difference between use and require.
9). What’s your favorite module and why?
10). What is a hash?
11). Write a simple (common) regular expression to match an IP address, e-mail address, city-state-zipcode combination.
12). What purpose does each of the following serve: -w, strict, -T ?
13). What is the difference between for & foreach, exec & system?
14). Where do you go for Perl help?
15). Name an instance where you used a CPAN module.
16). How do you open a file for writing?
17). How would you replace a char in string and how do you store the number of replacements?
1

. When would you not use Perl for a project?

作者: tommydu 时间: 2009-11-22 10:20
LZ， Google啊

作者: churchmice 时间: 2009-11-22 11:06
ms我都会啊

作者: Perl_Er 时间: 2009-11-22 11:23
标题: 回复 #3 ccc77 的帖子
这么简单的问题，你自己去找吧

作者: unixlinuxsys 时间: 2009-11-22 14:25
不知道怎么回事
看到别人的英语就头晕

解决自己的问题就不会

作者: mwm5 时间: 2009-11-22 14:38
标题: 回复 #1 ccc77 的帖子