Re: expanding tabs in a visual selection

On 2012-09-16, Tim Johnson wrote:
> * Bee <forth@calcentral.com> [120916 09:09]:
> >
> >
> > On Sep 16, 9:43 am, Tim Johnson <t...@akwebsoft.com> wrote:
> > > Hi :
> > >
> > > Is there a way to apply the expand/retab process to a visual
> > > selection?
> > >
> > > :h ??
> > >
> > > thanks
> > > --
> > > Tim
> > > tim at tee jay forty nine dot com or akwebsoft dot comhttp://www.akwebsoft.com
> >
> >
> > :help :retab
> >
> > :[range]ret[ab][!]
> > [new_tabstop]
> <blush> I shoulda asked for an example.
> If I do the following
> v " start visual mode
> jjjj " select 4 more lines
> :retab " nothing
> :retab! " nothing
> What else need I do?

I don't know. It works fine for me.

Since :retab takes a range of lines, you should probably start
visual mode with V rather than v. The latter will work, but the
range of text affected by the :retab command will be more apparent
with the former.

Example:

:set ts=8
:set list
:set noexpandtab

Enter the following text, with no leading space and using a real
tab where <Tab> is shown.

abc<Tab>cow
def<Tab>chicken
ghi<Tab>horse
jkl<Tab>sheep
mno<Tab>pig

:set expandtab

Move the cursor to "def" and type

Vjj:retab

You should see each of the tabs in those three lines replaced by
five spaces.

:set noexpandtab

Move the cursor to "def" and type

Vj:retab

You should see no change. Now type

gv:retab

You should see the spaces replaced by tabs on the two visually-
selected lines but not on the "jkl" line.

Do you see different behavior?

Note that :retab! will not replace a single space by a tab.

Regards,
Gary

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