On Aug 5, 5:22 am, Pankaj Deshpande <[email protected]>
wrote:
> Hello,
> Is there a way to diff a certain portion of a buffer with another portion
> of the same buffer?
>
> Or more generally is it possible to specify buffer name and lines to diff
> with another buffer name with its own (possibly) different set of lines like
>
> diff <buffer1; lines: b1_begin to b1_end> <buffer2; lines: b2_begin to
> b2_end>?
>
> Then I could give buffer1 same as buffer2 but with different sets of lines.
>
> Basically, I have a c file and two portions of that code look similar. I want
> to highlight the difference between these portions if there is any.
>
Short of copying each portion to two new buffers and diffing those,
no. Vim cannot diff only a portion of a buffer, nor can you manually
align portions of an existing diff.
The latter behavior is something KDiff3 supports, and probably other
external diff/merge tools as well.
Copying to two new buffers may not be as bad as it sounds, especially
if you open a new tab page for the diff.
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