how to echo the path of the script executed from another location?

This question already has an answer here:

Getting the source directory of a Bash script from within 50 answers

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使用这个脚本。

#!/bin/bash
current_location=$(pwd)
script_location=$(dirname $0)
if [ $script_location= '.' ]
then
 script_location="$current_location"
fi
echo $script_location

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