Re: What did I do?

On 01/16/12 12:04, Eric Weir wrote:
> On Jan 16, 2012, at 10:05 AM, Tim Chase wrote:
>> Sounds like you used gu<motion>. Alternatively, if you were
>> in visual mode, you may have hit u to force the case
>> change.
>>
>> :h gu
>> :h gU
>> :h v_u
>> :h v_U
>> :h v_~
>
> Thanks, Tim--and to everyone else who responded. My guess is
> it was hitting u while in visual mode. I have not advanced to
> the stage of using commands beginning with a g or a v. I'll
> check out the ones you suggest.

well, the "v" ones are ones done in visual mode, which it sounds
like you're already using. Pressing u/U/~/? in visual mode
transform the selection accordingly (lowercasing, uppercasing,
swap-casing, and ROT13ing). The other "g" variants perform the
same transformations over the text covered by <motion>

> "diff" is one of those things I hear about here that I haven't
> gotten around to checking out, yet. Likewise with "grep". I've
> assumed they're more relevant to programmers, which I
> definitely am not. But as you suggest with "diff," I'm pretty
> certain that even programmers' tools can be put to good use in
> plain old writing--if you've gone to the trouble of finding
> out about them.

"diff"ing just means comparing two files. For code, the standard
diff occurs line-wise, and Vim has great support for this. To
try it out, take a file, edit it and save it to a different name.
Then start vim with

vimdiff orig_file.txt modified_file.txt

(or "vim -d orig_file.txt modified_file.txt", or issue
":diffthis" in each of two existing windows/buffers you want to
compare). You might want to walk through

:help diff.txt

and try out what you see in there with two mostly-the-same junk
files you have floating around. The most helpful things to know
are the dp/dg (or ":diffput" and ":diffget" commands) for moving
changes between the two files.

As discussed recently in a parallel thread, if you have flowing
text where paragraphs are reflowed inserting linebreaks (rather
than your paragraphs being all on one line), it's not quite as
useful. For that, you might investigate "wdiff" to compare the
files.

-tim

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