From: "A.J.Mechelynck" <[EMAIL PROTECTED]>
Subject: Re: Commenting out TeX-text line by line in V-mode
Date: Fri, 17 Nov 2006 16:18:14 +0100
> Charles E Campbell Jr wrote:
> > Meino Christian Cramer wrote:
> >
> >> From: Charles E Campbell Jr <[EMAIL PROTECTED]>
> >> Subject: Re: Commenting out TeX-text line by line in V-mode
> >> Date: Thu, 16 Nov 2006 13:34:16 -0500
> >>
> >>
> >>> How about
> >>>
> >>> :[range]g/\S/s/^/%/
> >>>
> >>> which means: over the selected range (which may be the visual
> >>> range), on all lines that
> >>> have some non-white-space character on them, insert a leading %.
> >>>
> >
> > OK, here's a more detailed explanation:
> >
> > :[range] over the selected lines, which with visual selection
> > will appear as '<,'> .
> > Those are marks set by the visual selection.
> > g/pattern/cmd for any lines which match the given pattern, in this
> > case \S , do the specified cmd.
> > So, the cmd is performed for any line that has a
> > non-whitespace character in it.
> > Thus, empty lines and lines with just whitespace (tabs
> > and spaces) will not match.
> >
> > Now, the aforementioned cmd is
> >
> > s/^/%/ Substitute a % at the beginning of the current line.
> >
> > What you asked for was to do something (comment out lines) given a
> > condition (that the line must not be empty). So the :g/pattern/cmd
> > allows one to do a command (s/^/%/) only when the line matched a pattern
> > (that implied that the line was not empty).
> >
> > Regards,
> > Chip Campbell
>
> It should be possible (though less obvious) to do it with only a substitute.
> Let's try:
>
> :'<,'>s/^.*\S.*$/# \0
>
> i.e. prepend a hash sign and a space wherever we find start-of-line, zero or
> more of anything, one nonblank, zero or more of anything, end-of-line (in the
> range, here shown as a Visual area).
>
>
> Best regards,
> Tony.
Hi Tony!
:)
There are more ways to confuse a newbie... :O)
Let me explain just to see whether I got this riddle solved this time
by myself:
'<,'> for a range marked in visual mode
s/ substitue/replace
^.*\S.*$ match "beginning of line,something,at least one
non-whitespace,something,end of line"
/ with
# \0 "# ",the whole line
Right?
:)
vim-sudoku.... ;))))
Have a nice weekend!
mcc
