Re: bash scripts: how to determine directory of 'source'd file

From: michael <linux@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 31 Jan 2006 21:26:21 +0000

On Tue, 2006-01-31 at 10:16 -0500, Juergen Fiedler wrote:
> On Tue, Jan 31, 2006 at 02:26:27PM +0000, michael wrote:
> > Presuming I have a file setEnvVars.sh that I wish to source,
> > . path/setEnvVars.sh
> > How do I, within the script, determine the actual directory within which
> > the setEnvVars.sh file sits? The sourcing seems to disallow me access to
> > $0 etc
> >
> > thanks, M
>
> If I understand your question correctly, the '$_' variable should do
> the trick.

doesn't seem to:
michael@ratty:~/models-3/CMAQ-4.5/scripts$ head ../defineEnvVars
#!/bin/bash
echo $_

michael@ratty:~/models-3/CMAQ-4.5/scripts$ . ../defineEnvVars
../defineEnvVars
michael@ratty:~/models-3/CMAQ-4.5/scripts$ cd cctm
michael@ratty:~/models-3/CMAQ-4.5/scripts/cctm$ . ../../defineEnvVars
cctm

what I am trying to do in the script is get it to work out the directory
in which defineEnvVars live, irrespective of which directory I am when I
run
. [path]/defineEnvVars

thanks, michael

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Follow-Ups:
- Re: bash scripts: how to determine directory of 'source'd file
  - From: Randy Belk
- Re: bash scripts: how to determine directory of 'source'd file
  - From: Jan C. Nordholz

References:
- bash scripts: how to determine directory of 'source'd file
  - From: michael
- Re: bash scripts: how to determine directory of 'source'd file
  - From: Juergen Fiedler

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