Shell

This article mainly introduced the shell in the For loop summary, this article explained in the shell for the loop usage, the shell for the loop's several methods and so on content, needs the friend to be possible to refer to under About the shell

shell script : hello.sh#!/bin/bashecho"I am in shell script"echo"param 1 is'echo'param 2is $"variable=$[$1 + $2 ]echo"sum is $variable"System Interface : SYSTEM.C#include void main (void) { printf ("I am in C code!\r\n" System ("/bin/bash"). /

http://blog.csdn.net/lishuhuakai/article/details/11928055#include #include#include#defineMAXLINE 80voidSetup (CharInputbuffer[],Char*argv[]) { intI, J; Char*p; I=0; for(p = inputbuffer;;p + +)/*Splits the character command for a period of time,

In the Java development project often to the development of the project to the test server to test, the general is to put the project into a war package, and then publish the war package to the server, shut down the server, and finally restart the

Have you ever felt that it's hard to write a long, absolute path when executing a script, to make it easy and easy to write your own script and start your footsteps as if you started Apache. (PS: Actually Apache is also a script)First, to understand

Time limit:16000/8000 MS (java/others) Memory limit:65536/65536 K (java/others)Total submission (s): 999 Accepted Submission (s): 434Problem descriptionperhaps The sea ' s definition of a shell is the pearl. However, in my view, a shell necklace

Use shell scripts to simply simulate simultaneous read and write operations to specific filesFormat of file contents:Field1, Field2, field3, Field4As a delimiter, but there are spaces. The script uses the following:

Standard input and output with standard error outputStandard input/The output is probably the most important concept in the design principles of software tools..His idea was to:The program should have a data source,Data Export(where are the data

#!/bin/bashCat # Auto Install lamp env# by author Max# 2017-03-20Eofapache_soft= "HTTPd httpd-devel"mysql_soft= "Mariadb-server mariadb mariadb-devel"php_soft= "PHP php-mysql php-devel"ip= ' ifconfig eno16777736|grep 192|awk ' {print $} ' |sed '

Turn from:Linux shell ${} simple usageFor the sake of completeness, I'll use some examples here to illustrate some of the supernatural powers of ${}:Suppose we define a variable as:File=/dir1/dir2/dir3/my.file.txtWe can replace each other with ${}

Execute the "nano function.sh" command to create a new shell script file with the name "function.sh".650) this.width=650; "class=" Exp-image-default "alt=" How to write Function "src=" in shell scripts http://f.hiphotos.baidu.com/exp/w=500/ Sign=7148

First set a small goal, first proficient in the shell say! --OLD boyUseShelldeveloping a Springboard function script caseexample 17_6: Developing an Enterprise-class Shell springboard machine case. Requiring a user to log on to a springboard machine

What is a shell script?Plain Text Document --the data stored in the document is stored in a character unit;a large number of command combinations to solve user problems according to user's needs;"Power of Execution"-the result of the multiple

Bash's script preliminaryShell script: Another form of preserving historical commands;Shell script Programming:What do you mean by programming?Write the program source code.In order to enable users to use the computer, you can let the computer do

First, the meaning of variable $#,[email protected],$0,$1,$2,$*,$$,$ in Linux:Script tests can be used to differentiate the specific roles and usages of these variables.The script is as follows:# vim Variable#!/bin/shecho "number:$#" echo "Scname:$0"

Previous wordsThe front-end engineer may not be able to use shell commands. But when you learn git, there are a lot of things that you need to do with a shell command in addition to GIT commands. Therefore, the shell command needs to learn and

echo Display in shell script with color display, echo display with color, need to use parameter-EThe format is as follows:Copy the code code as follows:Echo-e "\033[word background color; text color m string \033[0m"For example:Copy the code code as

In the previous blog, we introduced some of the features of Shell programming, namely command aliases, command history, shortcut keys, command completion, command line expansion, command execution results, escape characters, wildcards, IO

Homework One: Organize your blog with awk, variables, operators, if multiple branchesJob Two: awk text processing1, print the UID within the scope of 30~40 user name[Email protected] ~]# awk-f: ' $3>=30 && $32. Print the line number and user name of

Try{Process P=runtime.getruntime (). exec ("chmod 777/home/bomb/movetoy/webroot/a.sh" ); P.waitfor (); Process Pro= Runtime.getruntime (). exec ("/home/bomb/movetoy/webroot/./a.sh" +num); Pro.waitfor ();