lets try again...

sources_non_forked/ack.vim/plugin/ack.vim

@@ -0,0 +1,80 @@
+" NOTE: You must, of course, install the ack script
+"       in your path.
+" On Debian / Ubuntu:
+"   sudo apt-get install ack-grep
+" On your vimrc:
+"   let g:ackprg="ack-grep -H --nocolor --nogroup --column"
+"
+" With MacPorts:
+"   sudo port install p5-app-ack
+
+" Location of the ack utility
+if !exists("g:ackprg")
+	let g:ackprg="ack -H --nocolor --nogroup --column"
+endif
+
+function! s:Ack(cmd, args)
+    redraw
+    echo "Searching ..."
+
+    " If no pattern is provided, search for the word under the cursor
+    if empty(a:args)
+        let l:grepargs = expand("<cword>")
+    else
+        let l:grepargs = a:args
+    end
+
+    " Format, used to manage column jump
+    if a:cmd =~# '-g$'
+        let g:ackformat="%f"
+    else
+        let g:ackformat="%f:%l:%c:%m"
+    end
+
+    let grepprg_bak=&grepprg
+    let grepformat_bak=&grepformat
+    try
+        let &grepprg=g:ackprg
+        let &grepformat=g:ackformat
+        silent execute a:cmd . " " . l:grepargs
+    finally
+        let &grepprg=grepprg_bak
+        let &grepformat=grepformat_bak
+    endtry
+
+    if a:cmd =~# '^l'
+        botright lopen
+    else
+        botright copen
+    endif
+
+    exec "nnoremap <silent> <buffer> q :ccl<CR>"
+    exec "nnoremap <silent> <buffer> t <C-W><CR><C-W>T"
+    exec "nnoremap <silent> <buffer> T <C-W><CR><C-W>TgT<C-W><C-W>"
+    exec "nnoremap <silent> <buffer> o <CR>"
+    exec "nnoremap <silent> <buffer> go <CR><C-W><C-W>"
+    exec "nnoremap <silent> <buffer> v <C-W><C-W><C-W>v<C-L><C-W><C-J><CR>"
+    exec "nnoremap <silent> <buffer> gv <C-W><C-W><C-W>v<C-L><C-W><C-J><CR><C-W><C-J>"
+
+    " If highlighting is on, highlight the search keyword.
+    if exists("g:ackhighlight")
+        let @/=a:args
+        set hlsearch
+    end
+
+    redraw!
+endfunction
+
+function! s:AckFromSearch(cmd, args)
+    let search =  getreg('/')
+    " translate vim regular expression to perl regular expression.
+    let search = substitute(search,'\(\\<\|\\>\)','\\b','g')
+    call s:Ack(a:cmd, '"' .  search .'" '. a:args)
+endfunction
+
+command! -bang -nargs=* -complete=file Ack call s:Ack('grep<bang>',<q-args>)
+command! -bang -nargs=* -complete=file AckAdd call s:Ack('grepadd<bang>', <q-args>)
+command! -bang -nargs=* -complete=file AckFromSearch call s:AckFromSearch('grep<bang>', <q-args>)
+command! -bang -nargs=* -complete=file LAck call s:Ack('lgrep<bang>', <q-args>)
+command! -bang -nargs=* -complete=file LAckAdd call s:Ack('lgrepadd<bang>', <q-args>)
+command! -bang -nargs=* -complete=file AckFile call s:Ack('grep<bang> -g', <q-args>)