您可以将此方法与user25866的答案融合,以获得与`source <script>`和`bash <script>`一起使用的解决方案:`DIR ="$(cd -P"$(dirname"$ {BASH_SOURCE [ 0]}")"&& pwd)"`. (25认同) 有时`cd`会给STDOUT打印一些东西!例如,如果你的`$ CDPATH`有`.`.要覆盖这种情况,请使用`DIR ="$(cd"$(dirname...
It is good coding practice to provide pertinent comments and instructions in the header of each shell script. That way, when another tester is assigned to run the scripts, the tester will get a good idea of the scope of the testing done in each script, as well as any prerequisites and w...
commands from this file, then exits. Bash's exit status is the exit status of the last command executed in the script. If no commands are executed, the exit status is 0. An attempt is first made to open the file in the current directory, and, if no file is found, then the shell ...
Here, nano editor is used to create the file and filename is set as ‘First.sh’ $ nano First.sh Add the following bash script to the file and save the file. #!/bin/bash echo "Hello World" You can run bash file by two ways. One way is by using bash command and another is ...
To execute the script, navigate to the directory where the script is saved and run the following command: ./test1.sh This will display the current user's username. Output: Current user's username: ad 6. Write a Bash script that executes a command to list all files in the current direct...
Another way to run your shell scripts Most of the time, you'll be running the shell scripts in this manner: ./hello_world.sh Which will result in an error because the file for you as the script doesn't have execute permission yet. ...
Now, you can run the bash shell script in the following manner: bash hello.sh And you should see the following output: Hello World Another way is to give the script execute permission first: chmod u+x hello.sh And then run it in this manner: ...
-l Make bash act as if it had been invoked as a login shell (see INVOCATION below). 1. 2. 译:-l的作用是使bash变成一个login shell -r If the -r option is present, the shell becomes restricted (see RESTRICTED SHELL below).
To install or update nvm, you should run the install script. To do that, you may either download and run the script manually, or use the following cURL or Wget command: curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash wget -qO- https://raw.github...
7. Script Output #! /bin/bash ls -al 1>file1.txt 2>file2.txt 1代表标准输出,2代表标准错误 合并二者: #! /bin/bash ls -al >file1.txt 2>&1 / #! /bin/bash ls -al >& file1.txt 8. Send output to one script to another script #! /bin/bash MESSAGE = "Hello LinuxHint Audien...