How Linux Gets the current file path (source How to get the current file path bash how to get the current file path)

How bash gets the absolute path to the current file

#!/bin/bashexport bashpath=$ (CD ' DirName $;p wd) echo $bashpath

Source file gets the absolute path of the current file

#!/bin/bash# below is the absolute path of the output current file CD $ (dirname $BASH _source) # echo $ (PWD)/$ (basename $BASH _source) temp_file= ' echo $ (pwd)/$ ( basename $BASH _source) ' # Below is the directory that outputs the current execution file Temp_dir= ' echo $ (pwd) '

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How Linux Gets the current file path (source How to get the current file path bash how to get the current file path)