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Re: ?maybe? RFE?... read -h <symlink>?


From: Alex fxmbsw7 Ratchev
Subject: Re: ?maybe? RFE?... read -h <symlink>?
Date: Mon, 6 Sep 2021 08:41:33 +0200

btw in the help you pasted there is the -a arr in question

On Mon, Sep 6, 2021, 08:36 felix <felix@f-hauri.ch> wrote:

> On Sun, Sep 05, 2021 at 11:54:05PM -0400, Lawrence Velázquez wrote:
> > On Sun, Sep 5, 2021, at 11:11 PM, Dale R. Worley wrote:
>
> > > > ... I was wondering, is there a way for bash to know where the
> > > > symlink points (without using an external program)?
> >
> > The distribution ships with a "realpath" loadable builtin, FWIW.
> >     bash-5.1$ enable -f /opt/local/lib/bash/realpath realpath
> >     bash-5.1$ realpath /usr/bin/cc
> >     /usr/bin/clang
>
> I think this answer the need, but using this to populate a variable implie
> anyway a fork.
>
>   realPathArray=$(realpath /bin/sh /usr/bin/X)
>
> It would be nice if builtins intended to produce *answer* use more or less
> common switch like `printf -v` behaviour.
>
>   usage: realpath [-a array] [-csv] pathname [pathname...]
>
>   options:     -a NAME assign the output to shell array NAME rather than
>                        display it on the standard output
>                -c      check whether or not each resolved path exists
>                -s      no output, exit status determines whether path is
> valid
>                -v      produce verbose output
>
>
>
> --
>  Félix Hauri  -  <felix@f-hauri.ch>  -  http://www.f-hauri.ch
>
>


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