Adds a Grep function

This is from https://gist.github.com/romainl/56f0c28ef953ffc157f36cc495947ab3

1 files changed, 9 insertions, 3 deletions

diff --git a/vim/vimrc b/vim/vimrc
index 347c264..7e2f804 100644
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -539,10 +539,16 @@ set background=dark
 " colorscheme gruber-darker
 colorscheme blue
 
-
-function! Grep(args)
-    return system('ag ' . a:args)
+function! Grep(...)
+        return system(join([&grepprg] + [expandcmd(join(a:000, ' '))], ' '))
 endfunction
+command! -nargs=+ -complete=file_in_path -bar Grep  cgetexpr Grep(<f-args>)
+command! -nargs=+ -complete=file_in_path -bar LGrep lgetexpr Grep(<f-args>)
+augroup quickfix
+        autocmd!
+            autocmd QuickFixCmdPost cgetexpr cwindow
+                autocmd QuickFixCmdPost lgetexpr lwindow
+augroup END
 
 " manual highlights
 " highlight Visual ctermfg=black ctermbg=LightMagenta