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 > >