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
As we all know, in a RAC environment, the kill Ocssd.bin process can cause the host to reboot.But sometimes the system has been abnormal, and CRS can not shut down normally, and the host may be a few years without restarting the old system, no one
'), System, and exec in Perl
In Perl, the check mark (''), system, and exec are used to execute the command order. This article will show us how they are used, approached, and differentiated.
I. utilization methods
1. check mark ('')
First of all,
Process processing functions
1. Process Start functionFunction name EvalCall Syntax eval (string)The commentary considers a string as a Perl statement execution.When executed correctly, the system variable $@ is an empty string, and if there is an
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
#!/bin/sh means that this script uses /bin/sh to interpret execution,#! is a special designator, which is followed by the path to the shell that interprets this script.In fact, the first sentence of #! is the script interpreter program path, the
Recently, perl has been re-consolidated, and the previous beginner's code has been changed, so that win's cmd can use the linux method to add password verification to cmd.The following describes how to automatically execute linux. bat when you set
Through the previous introduction, you can have a more comprehensive understanding of Nginx: Nginx itself is a static HTTP server and reverse proxy server, it does not support dynamic pages, the so-called Nginx Dynamic program support are
Author: mika [EST] Today, in IRC outside China, several foreigners are discussing PI2.3 kill-free, since the Alignment Method of PI2.3 is not the same as in the past, it cannot run normally after being processed by Shell programs, so it's no longer
Use signal (signal) Instances in perl
This article mainly introduces the use of signal (signal) Instances in perl. This article describes signal-related knowledge and provides perl code examples. For more information, see
Using signal can enrich
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