Re: Problem with positional output

On 2016-11-14 15:20, Sven Guckes [email protected]
[sed-users] wrote:
> * SED Users <[email protected]> [2016-11-14 14:36]:
> > On 2016-11-14 14:03:50 Michelle Konzack hacked into the keyboard:
> > > ..I have forgotten ho to get values from a string...
> > > The string has 4 parameters, seperated by the | sign
> > > and I like to get it with something like
> > >      echo "${RETVAL}" |sed 's!(.*)|(.*)|(.*)!$1!'
> > This is now working with:
> >    echo "${RETVAL}" |sed 's!\(.*\)|\(.*\)|\(.*\)!\1!'
> 
> hmm..
> so you basically want just the bginning of the data
> and discard everything from the first pipe sign?
> 
> here is what i'd do in z-shell:
> 
>   zsh> DATA='one|two|three|four'
>   zsh> echo ${DATA%%|*}
>   one

Sven's suggestion also works in bash and dash shells.

-tkc