Interactive bash shell script️ 练习时间 是时候练习你所学到的东西了。尝试为以下场景编写简单的 Bash 脚本。 练习1:编写一个带有三个参数的脚本。你必须使脚本以相反的顺序显示参数。 预期输出: abhishek@itsfoss:~/bash_scripts$ ./reverse.sh ubuntu fedora arch Arguments in reverse order: arch fedora ...
/bin/bashecho"Name of the script:$0"echo"Total number of arguments:$#"echo"Values of all the arguments:$@" 1. 2. 然后提供几个参数运行脚本:
Arguments for bash script interfaceChristian Margreitter
echo "This script needs at least $MINPARAMS command-line arguments!" fi echo exit 0 运行代码: bash test30.sh 1 2 10 The name of this script is "test.sh". The name of this script is "test.sh". Parameter #1 is 1 Parameter #2 is 2 --- All the command-line parameters are: 1 ...
./my_script.sh arg1 arg2 在脚本中,你可以使用$1来代表第 1 个参数,用$2来代表第 2 个参数,以此类推。$0是一个特殊变量,它代表正在运行的脚本的名字。 现在,创建一个新的 shell 脚本,命名为arguments.sh,并向其中添加以下几行代码: #!/bin/bash ...
Checking the uses of the number of arguments in Bash script for various purposes such as error handling, providing messages based on the number of arguments.
A bash function is a technique for grouping reusable bits of code under one name for later use. The bash function is like a script within a script. Using functions in bash scripting comes with two benefits: 1. A function is read directly into the shell's memory and stored for later use...
/bin/bash while getopts ":h:v:" opt; do case ${opt} in h ) echo "Usage: script.sh [-h] [-v]" echo "Options:" echo " -h, --help Show help" echo " -v, --version Show version" exit 0 ;; v ) echo "Version: $OPTARG" exit 0 ;; \? ) echo "Invalid option: -$...
Looking for beginner-friendly bash script example? Learn how to automate your tasks and simplify your workflow with ease.
In order to use nvm, node, and npm like normal, you can instead specify the special BASH_ENV variable, which bash sources when invoked non-interactively.# Use bash for the shell SHELL ["/bin/bash", "-o", "pipefail", "-c"] # Create a script file sourced by both interactive and ...