Shell

#!/bin/bash#check_file_md5 find/application/nginx/html/test1/-type F | Xargs md5sum >/tmp/web_md5_f.txt#check_file_num tree-i/application/nginx/html/test1 | Grep-v "^$" >>/tmp/web_md5_num.txt.defaultmd5= '/usr/bin/md5sum-c/tmp/web_md5_f.txt | Grep-v

If you have been exposed to the C language, you should know that the C statement is executed when the error editor will indicate the specific error in that line, of course, these errors are the machine can not be executed error! Unfortunately our

#!/bin/bash# @loyu################################################################################Sum= ' Df-h | awk ' {print $} ' | Sed-n 4p | awk-f% ' {print '} 'If [$sum-GT 75]ThenDate= ' Date +%y%m%d 'Echo-e "\NPDT"Echo

Determines whether a variable is empty.1. The variable is caused by "" quotation marksAs shown below:, you can get the result is NULL.#!/bin/shpara1=if [!-n "$para 1"]; Thenecho "is NULL"Elseecho "Not NULL"Fi2. Judging directly by variablesThe

LS-LH //view file sizeLS-LH filename //View the actual size of a filedu-h //Viewing the size of a file as a diskdu-h filename //View the size of a fileThat LS looks at the actual size of the file, Du is looking at the size of the disk blockDu

Creation and execution of a script1. Create file *.sh, file suffix sh2. Editing scriptsThe first line must be: #!/bin/bash #指定解释脚本的shell3. Empoweringchmod u+x a.sh4. Implementation./a.shVariables in the two shell scripts1. Definition and deletion of

Environment:Operating system: ArchLinux; Terminal Simulator: Rxvt-unicode (URXVT); Shell:bash;The background process referred to here is a ampersand (&) behind the command line, and the foreground process is the form of a command line that does not

Write a script: The requirements are as follows:1: Say hello to each user in the/etc/passwd directory, and indicate its UID number! (Eg:hello Root,your uid is 0)2: How many accounts does this script share?#!/bin/bashName= ' cat/etc/passwd |awk-f: ' {

#!/bin/bash#bu lctomcatdir=/home/tomcattomcattar= $TOMCATDIR/apache-tomcat-7.0.65.tar.gzjavadir=/usr/ javajdkdir= $JAVADIR/jdk1.8.0_65jdktar= $JDKDIR/jdk-8u65-linux-x64.tar.gz### #8080 # # # # #T8080DIR = $TOMCATDIR/ tomcat-reststart8080= $T 8080dir/

Create a simple shell script filePlacing the shell command in a text file requires first using a text editor (VIM)When you create a shell script file, you must specify the shell (#!/bin/bash) to be used in the first line of the fileThe format is:　　　　

(I am participating in the 2015 blog Star Selection, invite you to vote, thank you: HTTP://VOTE.BLOG.CSDN.NET/BLOGSTAR2015/CANDIDATE?USERNAME=ZHOUZXI)Recently, in the process of development work, a requirement was encountered: A shell script was

Requirements: This directory is currently created if the result directory does not exist. If Socwatchoutput.csv is present, move it to the result directory Then, pass the parameter kpi_name, #!/bin/sh#Used to save CSV file#write it by

$: script name, which is the script name entered by the command line$n: Positional parameters, n>0, when n>9, using ${n} form$#: Number of positional parameters"$*": All Positional parameters (single string)[Email protected]: All positional

Objective Online collection, thank the old boy and the big God, often read their blog and video, script is absolutely their own pure hand, what shortcomings, but also please the Great God guidance. If you feel that there is a violation of the

In shell programming, "EOF" is usually used in conjunction with "Return to the keynote shell again, which can be interpreted as a delimiter (delimiter). Since it is a delimiter, the form is naturally not fixed, where "EOF" can beCustom, but the

#!/bin/bash#auth chentp0601#date 20151123Function menu (){ClearCat #this is Base menu1.[install Lamp]2.[install LNMP]3.[exit]EofRead-p "Please input 1-3:" ListCase $list in"1")While TrueDoMenu_lampDone;;"2")While TrueDoMenu_lnmpDone;;"3")Echo-e

1. Print network interface list [[email protected] touch_more]# Ifconfig | cut-c-10 | Tr-d ' | Tr-s ' \ n 'Eth0lo//cut-c-10;      Outputs the first 10 characters;//tr-d ";     Remove all spaces;//tr-s ' \ n '; Compress duplicate newline characters 2,

Shell Statistics Log InformationIn general applications, log information is logged using log4j and a log file is generated daily, with each file ending on the date of the day.How do I count and analyze these log messages?In the simplest cases, use

organized a few shell programming examples, for beginners! 1. InThe home directory creates 100 directories and the directory name is a1......a100. Instance 1 for((i=1; i -; i++)) Do mkdir "/home/a"$i DoneExample 2, you can also write a bit more

The advantage of awk for sed grep is segmentation, dividing the delimiter into a small segment, matching, replacing, manipulating, logical judging, comparing ... such asBasic operations of AWK[[email protected] ~]# awk-f ': ' {print $} ' 1.txt////-F