>> Vimgrep is not very useful to search a single file (use plain "slash"
>> search then). It comes to hand when you have several (maybe many) files
>> to search for a given string or regexp.
>
> Actually (though I don't do it very often) I can see much potential
> use in bringing up the quickfix window with all matches in a single
> file.
In my .vimrc, I have the following that searches for all occurrences
of the word under the cursor within the current file. The results
appear in the quickfix window.
function! SearchCurrentFile()
let l:filename = expand("%")
let l:pat = expand("<cword>")
execute("vimgrep /".l:pat."/gj ".l:filename)
copen
endfunction
nmap <silent> <Leader>f :execute SearchCurrentFile()<CR>
I find this useful while programming to bring up a list that shows all
occurrences of a given variable. This makes it easy to see where the
variable has been used.
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