[CentOS] Real sh? Or other efficient shell for non-interactive scripts

[Joerg Schilling]

Valeri Galtsev <galtsev at kicp.uchicago.edu> wrote:

>
> ########
> #!/bin/sh
>
> readlink /proc/$$/file
> ########
>
> ( note that that "file" is because I'm using FreeBSD /proc, for Linux you
> may need to replace the line with something like:
>
> readlink /proc/$$/exe

And on a platform that implements a correct procfs-2, you should look at:

	/proc/self/path/a.out
or
	/proc/$$/path/a.out

This seems to be unknown e.g. to people from the FSF, so many autoconf tests 
are wrong.

Jörg

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