How to get the real path of the current script in Linux

1. Get the real path of the current script:

#!/bin/bash
if [[ $0 =~ ^\/.* ]] #Judge whether the current script is an absolute path, matching all thens starting with /
  script=$0
else
  script=$(pwd)/$0
fi
script=`readlink -f $script` #Get the real path of the file script_path=${script%/*} #Get the directory where the file is located realpath=$(readlink -f $script_path) #Get the real path of the directory where the file is located echo $script
echo $script_path
echo $realpath 

2.readlink -f: Get the real file location of the symbolic link, and finally get the real file location of the symbolic link

3.basename: Get the file name of the file

4.dirname: Get the directory name of the file

Summarize

The above is the full content of this article. I hope that the content of this article will have certain reference learning value for your study or work. Thank you for your support of 123WORDPRESS.COM. If you want to learn more about this, please check out the following links