perl基本命令

perl基本命令罗列：

 

1.查看perl版本

perl -v

 

This is perl, v5.8.3 built for sun4-solaris-thread-multi
    (with 8 registered patches, see perl -V for more detail)

    Copyright 1987-2003, Larry Wall

    Binary build 809 provided by ActiveState Corp.
   
    ActiveState is a division of Sophos.
    Built Feb  3 2004 00:32:12

    Perl may be copied only under the terms of either the Artistic
    License or the GNU General Public License, which may be found in
    the Perl 5 source kit.

    Complete documentation for Perl, including FAQ lists, should be
    found on this system using `man perl' or `perldoc perl'.  If you
    have access to the Internet, point your browser at
    the Perl Home Page.

 

2.查看某个模块

格式：perl modleName

eg. perl CGI

 

3.查看某个sub函数

格式：perl -f subname

eg. perldoc -f localtime
localtime EXPR
localtime
        Converts a time as returned by the time function to a 9-element
        list with the time analyzed for the local time zone. Typically
        used as follows:
           #   0    1    2     3     4    5     6     7     8
            ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);