SOLVED !! Re: Delete all after a pattern
Thanks Roberto and Wanderer:
$ sed 's/config=.*$/config=/g' file.txt
was the solution...!!
> On 2019-08-31 at 07:58, Roberto C. Sánchez wrote:
>
> > On Sat, Aug 31, 2019 at 01:49:20PM +0200, Computer Planet wrote:
> >
> >> Hi guys! Is It possible, with "sed" erase all after a pattern? I'm
> >> trying in all way but I can't... I'd like to erase all after the
> >> pattern "config=" but only in the same line, regardless of where it
> >> is located inside in a file.
> >>
> >> Can somebody help me please? Thank in advance for reply.
> >>
> >> e.g.: after "config=" erase all until the end of the line
> >
> > Something like this:
> >
> > sed -E 's/(.*config=).*/\1/'
>
> Or perhaps
>
> sed 's/config=.*$/config=/g'
>
> ?
>
> Less elegant and idiomatic, but could also get the job done.
>
> The 'g' at the end is in case there can be multiple occurrences of
> 'config=' in a single file, so that sed won't stop after the first one
> it finds.
>
>
> In practice, I'd either use this with 'sed -i [the above expression]
> filename' or (more likely) with 'cat filename | sed [the above
> expression] > newfilename'.
>
> (Yes, that's technically a "senseless use of cat". I do it anyway,
> because always using pipes at every stage makes it easy to add or remove
> filtering stages without having to adjust the syntax in another part of
> the pipeline, and because it's easier to stick with that habitual
> pattern than to change it up in the relatively few cases where I can be
> sure that multiple stages aren't and won't be needed.)
>
> (And may I say that it's annoying to need to explain this every time, in
> order to forestall being called out for "senseless use of cat"? Not that
> I get called out for that here very much, but it does seem to happen
> virtually every time I don't include an explanation...)
>
> --
> The Wanderer
>
> The reasonable man adapts himself to the world; the unreasonable one
> persists in trying to adapt the world to himself. Therefore all
> progress depends on the unreasonable man. -- George Bernard Shaw
>
>
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