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Top Forums Shell Programming and Scripting Maintain full path of a script in a var when sourcing it from a different script Post 302176929 by mrbluegreen on Wednesday 19th of March 2008 03:33:10 PM
Old 03-19-2008
Maintain full path of a script in a var when sourcing it from a different script

Hi All,

I've searched through the forum for a solution to this problem, but I haven't found anything. I have 2 script files that are in different directories.

My first script, let's call it "/one/two/a.sh" looks like this:

Code:
#!/bin/sh
IN_DIR=`dirname $0`

CUR_DIR=`pwd`
cd $IN_DIR
A_DIR=`pwd`
cd $CUR_DIR

export $A_DIR
echo $A_DIR

Running that, gives me "/one/two/", and A_DIR is set to that value.


Now I have a second script in a different directory that sources this script. Let's call it "/hello/bye/b.sh"

Code:
#!/bin/sh
. /one/two/a.sh

echo $A_DIR

In this case, I DO NOT get "/one/two/", but instead: "/hello/bye/"

I guess this is because the $0 variable inside the first script becomes "b.sh" instead. I want the first script to always source the $A_DIR variable with the path of the script, and I do not want to rely on hard-coding it, nor using the "find" command.

Does anyone have any ideas? Any help would be great!

Thanks in advance!
 

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