On 07/06/14 21:11, wolfv wrote:
I am following the example in the vim user manual: 08.7 Viewing differences
with vimdiff
My vimdiff is either broken or I am not understanding something.
In this example, a.txt has serveral lines of text.
I open vimdiff from the command prompt:
vim -d a.txt~ a.txt
~
~
~
~
vimdiff displays both files as having no lines, and there are no folds.
Is this how vimdiff is supposed to work? I was expecting to see some text.
If I save the file (:w) at this point, the file is overwritten with an empty
file.
Otherwise vimdiff seems to work normally; I am able to insert text into a.txt
and save it.
This is my first attempt learning vimdiff and I appreciate your advice.
Thank you.
In order for vimdiff to work, you need to have where Vim can find it
(usually in your $PATH, or maybe in $VIMRUNTIME) a diff program which
understands the arguments that vimdiff will send it to find the
differences between the files. This is usually the case if you run on a
Unix-like OS, including Linux, Mac OSX, BeOS, etc. On Windows it may or
may not be the case.
See in particular ":help diff-diffexpr" and the last paragraph before
":help diff-patchexpr" (without the double quotes in both cases).
Best regards,
Tony.
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