$0[11] always point to the shell script name. However, you can use an array variable calledFUNCNAME[12] which contains the names of all shell functions currently in the execution call stack. The element with in
$0[11]always point to the shell script name. However, you can use an array variable calledFUNCNAME[12]which contains the names of all shell functions currently in the execution call stack. The element with index 0 is the name any currently-executing shell function.This variableexists onlywhen...
Chapter 11. Introduction to Shell Scripts(第 11 章 Shell 脚本简介 Shell 脚本简介) If you can enter commands into the shell, you can write shell scripts (also known as Bourne shell scripts). A shell script is a series of commands written in a file; the shell reads the commands from the...
0 "$0") always point to the shell script name. However, you can use an array variable calledFUNCNAMEwhich contains the names of all shell functions currently in the execution call stack. The element with index 0 is the name any currently-executing shell function.This variableexists onlywhen ...
与Unix 系统上的任何程序一样,您需要为 shell 脚本文件设置可执行位,但同时也必须设置读取位,以便 shell 读取该文件。 最简单的方法如下: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $ chmod +rx script This chmod command allows other users to read and execute script. If you don’t want that...
Navigate to a directory where your hello_world.sh is located and make the file executable: $ chmod +x hello_world.sh Now you are ready to execute your first bash script: ./hello_world.sh 2. Simple Backup bash shell script #!/bin/bash tar -czf myhome_directory.tar.gz /home/linuxconf...
# Using basename with the $0 parameter # name=$(basename $0) #$()命令替换,basename命令执行得到的值赋予变量name echo echo The script name is: $name 示例 1.3 测试参数 在shell脚本中使用命令行参数时要小心些。如果脚本不加参数运行,可能会出问题。 当脚本认为参数变量中会有数据而实际上并没有时,脚...
1.创建shell脚本文件: (1)第一行: 代码语言:txt AI代码解释 #! /bin/bash (2)使用变量: 代码语言:txt AI代码解释 环境变量: 在变量名前加美元符$来使用这些环境变量。 用户变量: var1=10,用户变量可通过美元符引用,在shell脚本结束时会被删除掉。
It is a way to monitor the tail of a file which is growing while it is being viewed. (The behavior is similar to the "tail -f" command.) ESC-F Like F, but as soon as a line is found which matches the last search pattern, the terminal bell is rung and forward scrolling stops....
Shell Script Functions How to define a function Varibale scopes Return statement break vs exit vs return How to call functions present in another script Linux Commands Help man, help, apropos, whereis, whatis, which: commands that give help about a given command. man -k text: searches for...