best shell scripting book

As we all know, PHP is a very good dynamic web development language (fast, short development cycle ...). ）。 But only a few people realize that PHP can also be a good language for writing shell scripts, and when PHP is the language that writes the shell script, he's not as powerful as Perl or bash, but he has a good advantage. It's especially for people like me who are familiar with PHP but don't know much a

We all know that PHP is a very good dynamic web page development language (fast speed, short development cycle ......). However, only a few people realize that PHP can also be a good language for writing Shell scripts. When PHP is used as a language for writing Shell scripts, it is not as powerful as Perl or Bash, but he has a good advantage, especially for people who are familiar with PHP but are not famil

Script This article originates from: http://phpuser.com Author: y10k translation (2002-10-15-06:02:00) --English Original: Darrell Brogdon, published in Http://www.phpbuilder.com/columns/darrell20000319.php3) Many people may have wanted to use PHP to write some of the regular mail, such as the program, but there is no way to execute PHP on a regular basis; when I went to Phpbuilder, I found this article, so I want to give you a translation (at the same time make some changes), I hope to be usef

What is a shell script, first of all it is a script, and not as a formal programming language, so to speak is that the shell script is a collection of commands.All custom scripting recommendations are placed in the/usr/local/sbin/directory, and the benefits are easy to manage and maintain, and facilitate later handover to your replacement administrator.The struct

Bash shell scripting Getting Started (iii) cycleWhat is loop execution?To run a code segment repeatedly multiple timesHow many times to run repeatedly:Number of cycles known beforehandNumber of cycles unknown beforehandThere are entry conditions and exit conditionsRelated commands: For, while, Until,selet,Use for commandRole:Assigns the element in the list to the "variable name" in turn; The loop body is ex

# input Check:If [-Z ']; ThenError "Error:you must specify a file, use-h for help"FiFilen= "$"# Rename any. 1,. 2 etc File:For N in 9 8 7 6 5 4 3 2 1; DoIf [-F ' $filen. $n "]; Thenp= ' expr $n + 1 'echo "MV $filen. $n $filen. $p"MV $filen. $n $filen. $pFiDone# Rename the original file:If [-F "$filen"]; Thenecho "MV $filen $filen. 1"MV $filen $filen. 1Fiecho Touch $filenTouch $filenHow does this script work? After detecting a file name provided by the user, we perform a 9 to 1 loop. File 9 is na

Try to make your work more efficient, write scripts, and use scripts, often with less effort. So, take some time today to learn about shell scripting.--------------ahead of the high-energy warning, this article is written slightly entertain, if you have to look uncomfortable, please go to the top right corner----------------------The shell has two ways of executi

script rotatefile can solve this problem. This script can rename the message to save the file (assuming outmail) is OUTMAIL.1, and for outmail.1 it becomes outmail.2 and so on ... The code is as follows: #!/bin/sh # vim: set sw=4 ts=4 et: ver="0.1" help() {   cat How does this script work? After detecting a file name provided by the user, we perform a 9 to 1 loop. File 9 is named 10, file 8 is renamed to 9, and so on. After the loop is complete, we name the original file 1

18010th chapter using the editor10.1 Vim Editor 18110.1.1 Checking VIM Package 18110.1.2 Vim Basics 18310.1.3 Editing Data 18510.1.4 Copy and paste 18510.1.5 Find and replace 18610.2 Nano Editor 18710.3 Emacs Editor 18810.3.1 Checking Emacs Package 18910.3.2 using Emacs 190 in the console10.3.3 using Emacs 195 in a GUI environment10.4 KDE System Editor 19610.4.1 KWrite Editor 19610.4.2 Kate Editor 20010.5 GNOME Editor 20210.5.1 Start Gedit 20310.5.2 Basic Gedit Function 20310.5.3 Setting Prefer

What is Bash shell script programming?A: There are multiple shells in Linux, and the default shell for CentOS and Redhat is the bash shell. As for shell scripts, this is a bit like (. bat file) for batch files inside the Windows operating system. I wonder if you remember the philosophical thinking of Linux? There are t