/bin/pwd versus built-in pwd

Ehud Karni ehud@unix.simonwiesel.co.il
Wed Jan 17 12:09:00 GMT 2001

On Tue, 16 Jan 2001 14:56:23 -0800, Bob McGowan <rmcgowan@veritas.com> wrote:
>  "...That is, all components of the printed name will be actual
>   directory names -- none will be symbolic links."
> I'd say this is a bug.

Despite what Christopher Faylor <cgf@redhat.com> thinks, I'll say it
is a real bug with critical implications. If you want to check if
directories are the same, or in the same branch absolute paths must
be used. I have many scripts (all of them working on Linux and other
UNIX's) that use `/bin/pwd` to get the absolute path. If the current
situation is kept (i.e. `/bin/pwd` returning the path the shell used
to get to this directory, not the absolute one) then it is a big
immigration problem.

Mr. Bob McGowan suggest a solution that use Cygwin tools, namely:
    cygpath -u `cygpath -w `\`/bin/pwd\``
I checked it and it seems to work satisfactory, so why not change
the /bin/pwd to do it automaticly ?

Note. The shell pwd should continue to hold the symbolic path, so cd ..
      will get you to the directory you came from.


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