/bin/bash# Store the script directory in a variablescript_dir=$(dirname$0)echo"The script is located in:$script_dir"# Output:# The script is located in: /path/to/your/script Bash Copy In this example, we’re storing the directory of the script in thescript_dirvariable and then printin...
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...
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,$0变量是一个特殊变量,用于表示当前脚本的路径和名称。它可以用于显示脚本名称和路径,比较脚本名称和路径,以及脚本自身的调试和测...
#!/usr/bin/env bash script_dir=$(cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd) echo $script_dir 其中第3行代码,无论从何处调用它,都将为你提供脚本的完整目录路径。测试结果如下: 另外,可以根据第一种方法结合使用 realpath 命令,也可获取脚本所在目录的绝对路径: ...
My home directory is XYZ My default shell is XYZ 提示:使用全局变量$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 其中X 是变量price的初始值,并且明天价格翻倍。
$ printf “%s\n” “$SCRIPT” Bash 通过使用“$0”来找到脚本的名字,在脚本被拷贝和重新命名之后,就不会出现错误文件名的潜在威胁了。SCRIPT总是保持这正确的脚本名。 变量“$#”包含有脚本或外壳会话参数的个数。如果没有参数,$#总是0。这个参数没有将脚本名包含在$0中。
# 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: \$@ $@" # ...
Copy only files from a specific directory For fetching all the files and dir from a specific path, we will use for loop in the script then filter out the only file using if condition. In the example below, we execute the cp command only executed if the iterator was a file which is de...
you can make a simple script that uses a tar library to compress one or more files and folders and place them in a new backup directory of your choice. The following script is a basic backup script that creates a .Zip file for the files that need to be backed up and marks them base...