Re: [Help-bash] Is there a way to combine $( and ${%}?

[John McKown]

On Fri, Dec 8, 2017 at 7:10 AM, Greg Wooledge <address@hidden> wrote:

> On Thu, Dec 07, 2017 at 09:58:34PM -0600, Peng Yu wrote:
> > Hi,
> >
> > I have the following commands. Is there a way to combine them into one
> command?
> >
> > x=$(readlink -e "$0")
> > x=${x%/*}
>
> x=$(readlink -e "$0") x=${x%/*}
>
> There you go.  Now it's one command.
>
>
​Works. But if the OP wants another technically correct, but worse, answer,
there is always:

x=$(readlink -e "$0" | sed -r 's|^(.*)/[^/]*$|\1|' )​


-- 
I have a theory that it's impossible to prove anything, but I can't prove
it.

Maranatha! <><
John McKown