Re: foldexpr correct ?

Hello Christian,
Thanks for your sophisticated solution.
Works like a charm.
Thinking I'm a Pro, you showed me the limits.Thx!

Offtopic:
What software do you recommend for daily use
(browser,email-client,development,...) ?
Suckless and simple ?

Best Regards

Stephan
On Thu, Aug 03, 2017 at 09:03:56PM +0200, Christian Brabandt wrote:
>
> On Do, 03 Aug 2017, Stephan Sinz wrote:
>
> > I want to fold lines starting with similar ip addresses in a log file.
> >
> > ":set
> > foldexpr=getline(v:lnum)=~'^\\([0-9]\\+\\)\\.'&&getline(v:lnum+1)=~'^\\1\\.'"
> >
> > doesn't work for folding similar ip adresses. what's wrong ?
>
> That doesn't work, because the =~ operation does not understand the \1
> marked group. BTW: for more complex expressions, it is a alot easier to
> write specific functions, instead on trying to squeeze everything into a
> single command line and having to double escape all kind of things...
>
> This should work:
>
> function! MyFoldExpr(lnum)
> let content = getline(a:lnum)
> let next_cont = getline(a:lnum+1)
> if content =~ '\.' && next_cont =~ '\.'
> if split(content, '\.')[0] == split(next_cont, '\.')[0]
> return 1
> else
> " does not match, fold should end here
> return '<1'
> endif
> else
> " use foldlevel from previous line, if line contains a '.'
> return content =~ '\.' ? '=' : 0
> endif
> endfunction
>
>
> Best,
> Christian
> --
> Manche wären sehr erstaunt zu erfahren, worauf ihre Achtung vor den
> Menschen beruht.
> -- Luc de Clapiers Vauvenargues (Nachgelassene Maximen)
>
> --
> --
> You received this message from the "vim_use" maillist.
> Do not top-post! Type your reply below the text you are replying to.
> For more information, visit http://www.vim.org/maillist.php
>
> ---
> You received this message because you are subscribed to the Google Groups "vim_use" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to vim_use+unsubscribe@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.

--
--
You received this message from the "vim_use" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

---
You received this message because you are subscribed to the Google Groups "vim_use" group.
To unsubscribe from this group and stop receiving emails from it, send an email to vim_use+unsubscribe@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.