Re: Possible to auto add / to end of line when vim reaches textwidth and does a new line?

>> When I'm writing shell scripts I tend to have textwidth at around 72
>>
>> characters. Is there a way that vim can auto add a \ at the end of the
>>
>> line when it starts a new line?
>>
>
>I think you can use the 'formatexpr' option for this. You'll need to write a function to do your formatting for you, including breaking the line and adding the '\'.

Well, I've almost got something to work, but it behaves in a
strange way. I set it to split at 10 characters for testing:

set formatexpr=EndLine()

fun EndLine()
let c = col(".")

if c == 10
exec "normal Bh"
exec "normal i \\\<CR>"
exec "normal $A"
return
endif
endfun

When I type a long line it swaps the last 2 letters for some reason
that I can't figure out. 'acdefghij' changes to 'abcdefghji'.

Also, if I use '> 10' rather than '== 10' it spits out about 100 lines
of '\', as if the cursor position hasn't updated. I tried using
setpos() but that had no effect.

I expect there are much better ways of doing this so if anyone has any
suggestions I'd be glad for the help.

Thanks

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