" open the quickfix window if there are valid errors
function! qf#OpenQuickfix()
    if get(g:, 'qf_auto_open_quickfix', 1)
        " get user-defined maximum height
        let max_height = get(g:, 'qf_max_height', 10) < 1 ? 10 : get(g:, 'qf_max_height', 10)
        execute get(g:, "qf_auto_resize", 1) ? 'cclose|' . min([ max_height, len(getqflist()) ]) . 'cwindow' : 'cwindow'
        echom 'Opening QuickFIX'
    endif
endfunction