Bao Niu wrote:
> I am learning Vimscript and I wonder if there is any
> difference between writing "function!" vs. "function"?
Expanding on Tim's reply, suppose you have file h.vim which
contains:
function! Hello()
echoerr 'Hello'
endfunction
In Vim, assuming the directory shown by :pwd is the directory
holding h.vim, you can do the following to "source" the script:
:so h.vim
That executes h.vim which defines the function.
You could edit h.vim and source it again, and the edited
function would replace the original.
The idea is to help you to not accidentally overwrite functions.
If you do not have "!", the function will not be replaced if you
try to define it again.
John
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