On 09/25/2011 07:59 AM, Bram Moolenaar wrote:
Andrie Avk wrote:
I'm running into a weird issue with vim 7.3 1-35 on Ubuntu.
When a file is modified outside of vim in a way that adds a single line
(it's always added in a third line from top, but I don't think that
matters), and when you switch to the buffer, Vim prompts to load the
file. If I choose to load, the line is displayed as being 4th line from
top. If another line is added as third line again, it's now displayed as
5th line, and so on.
If I type :edit , lines will show in proper order.
For my needs this is not a big issue at all, but I was wondering if this
is a known issue, is it fixed in latest vim, should I submit a bug
report?
I can't imagine how this can happen. Perhaps a plugin causes problems?
Did you try starting with "vim -u NONE"?
Here's some more detail on what I was doing:
I wrote a python vim function that accepts a line from user input, reads
all lines from a file that's currently loaded in another vim buffer, and
writes the file out again, inserting the new line as 3rd line of the
file.
Initially I wrote it as:
lines = open(fname).readlines()
lines.insert(2, newline+'\n')
with open(fname, 'w') as fp: fp.writelines(lines)
I made a small mistake when describing the issue in my first report, in
fact the first line is added in the correct position, but when I was
adding a 2nd line, it was showing up one line down from where it should
be, 3rd line would be one line lower still, and so on.
I thought that the issue may be that I'm not closing the file explicitly
after reading, so I changed the reading to use the same 'with open ...'
form.
The issue was still present and then I added debugging prints to show
that new lines are in the right position in `lines`, and they were.
Because of :edit of that file showing lines in correct order, I thought
it's a vim problem and not anything to do with the python function.
After a vim restart, however, everything works fine even from the python
function. I don't think this was caused by any plugin because right now
I have all the same plugins loaded.
I'm also not sure why a restart fixed it. I should have tried it before
sending the email.
Thanks,
- ak
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