perl split on period

Perl's original designer was Larry Wall (Larry Wall), which was published on December 18, 1987. Perl borrows the features of C, sed, awk, shell scripting, and many other programming languages. Larry Wall Published version 1.0 of the Perl scripting

Split operator. Split splits a string based on the given mode. for strings that use tabs, colons, blank spaces, or any symbol to separate different fields, this operator is used to extract and Split fields. it splits strings according to the given

Perl Common function set 2 I. Process processing functions1. Process startup FunctionFunction Name evalCall the syntax eval_r (string)The description regards string as a Perl statement execution.After the command is correctly executed, the

Use cpan to install Net: SSH: Perl:Cpan> install Net: SSH: Perl Some problems encountered during this period are recorded here for future reference. Because cpan is dependent on other software, the software version must not be too low, so upgrade

I. Process processing functions 1. Process startup Function Function Name eval Call the syntax eval (string) Describe the stringPerlStatement execution. After the command is correctly executed, the system variable $ @ is an empty string. If an error

Command HistoryCommands with: and/begin with a history, you can first type: or/Then press the up and down arrows to select a history command. start VimEnter the following command in the Command line windowVim starts vim directlyVim filename

The database design may only be based on the current business needs. It may not need high availability, high scaling, and other features at that time, but as the business and user volume increase, the infrastructure is gradually improved. This blog

[Root@wx-a ~]# crontab--helpCrontab:invalid option-'-'Crontab:usage error:unrecognized optionUsage:crontab [-u user] Filecrontab [-u user] [-e |-l |-r](default operation is replace, per 1003.2)-E (Edit user ' s crontab) editing crontab work

First, Let's take a look at two special characters: ' ^ ' and ' $ ' they are used to match the start and end of the string, respectively, to illustrate "^the": matches a string that starts with "the";"Of despair$": matches a string ending with "of

Reprinted from: http://blog.csdn.net/kkobebryant/article/details/267527 Basic syntax for regular expressions First, let's take a look at two special characters: ' ^ ' and ' $ ' they are used to match the beginning and end of the string,