Re: Problem with positional output

Linux man pages are known to lag behind and/or incorrect. Doesn¹t surprise
me, since most focus these days seems to add more and more code, who cares
for the manpages anyways? ;-)

-ag

On 11/16/16, 3:14 PM, "[email protected] on behalf of
[email protected] [sed-users]" <[email protected]> wrote:

>
>
> Surprisingly , gnu sed --help doesn't showup the "-E" option while it
>does take it sed -E "..." without any errors.
> 
>
> BTW, the "-r" option is supposed to be doing this.
> 
>
> This definitely calls for an update of the GNU sed help options.
> 
>
> 
>
>---In [email protected], <cs@...> wrote :
>
> On 14Nov2016 14:09, Michelle Konzack <linux4michelle@...
>mailto:linux4michelle@...> wrote:
> >> The string has 4 parameters, deperated 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!'
> 
> By default sed uses Basic Regular Expressions, where \( and \) and
>needed for 
> grouping. Some seds (eg GNU sed) accept a -E option to enable Extended
>Regular 
> Expressions, where ( and ) are the syntax (and various other extra
>things 
> work).
> 
> Cheers,
> Cameron Simpson <cs@... mailto:cs@...>
>
>
>
>[Non-text portions of this message have been removed]
>
>
>
>------------------------------------
>Posted by: [email protected]
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