$0 is the name of the current script as it was executed. So if we run the script as ./examples/shell/absolute.sh then that will be the content of $0. realpath prints the abosulte path. dirname prints the directory name, leaving the last part of the path which is in this case ...
Another way to determine the directory of a Bash script is to use thedirnamecommand. Thedirnamecommand takes a file path as an argument and returns the directory portion of the path. To usedirnamecommand to determine the directory of a script, you would call the command with the path till ...
The name of the currently executing script is: ./BashScript.shWe can verify the value at the first index; we got ./BashScript.sh, the basename of the currently executing script. Using $0 VariableTo get the current script’s directory in a Bash, use the $0 array variable. In Bash, the...
/usr/bin/env bashecho"The script you are running has:"echo"basename: [$(basename "$0")]"echo"dirname : [$(dirname $(realpath "$0") )]" 参考: stackoverflow question 59895
Mycurrent locationis XYZ My home directory is XYZ My default shell is XYZ 提示:使用全局变量$USER、$PWD、$HOME和$SHELL。 练习2:编写一个 bash 脚本,声明一个名为price的变量.使用它来获取以下格式的输出: Today's price is $X Tomorrow's price is $Y ...
# 位置参数调用, 假设在终端输入 bash bash_tutorial.sh 1 2 3 echo "current script name: \$0 $0" # 当前脚本名称 echo "incoming parameters: \$1 $1 \$2 $2 \$3 $3" # 访问传入的参数 echo "the number of parameters: \$# $#" # 传入的参数数量 echo "all parameters: \$@ $@" # ...
$0变量也可以用于获取命令行参数中的程序名称。例如,如果我们执行以下命令:./myscript.sh argument1 argument2,那么$0变量将包含“myscript.sh”,而 $1 变量将包含“argument1”,$2 变量将包含“argument2”。 结论 在Bash 脚本中,$0变量是一个特殊变量,用于表示当前脚本的路径和名称。它可以用于显示脚本名称和路...
Getting the source directory of a Bash script from within【@stackoverflow】; How do I determine the location of my script? I want to read some config files from the same place【BashFAQ/028 脚本文件目录】; Parameter Substitution参数替换,字符串查找、替换、截取操作; ...
波浪号(Home directory[tilde])。 这个和内部变量$HOME是一样的。默认表示当前用户的家目录(主目录),这个和~/效果一致,如果波浪号后面跟用户名,表示是该用户的家目录。 特殊符号(~+) 当前的工作目录(current working directory)。 这个和内置变量$PWD一样。
Add sub folders of utils to code climate Jan 28, 2023 .dockerignore Ignore .git Dec 2, 2016 .editorconfig JSON files should be 4 spaces May 4, 2024 .gitignore fix: incorporates PR feedback on update-vendor.yml and directory loca… ...