Checking return codes?

Hi All,

Is it possible to check the return code of an Ex command? I currently have:

function! Grep(pattern, location)
exe "noautocmd vimgrep /" . a:pattern . "/gj " . a:location " | copen"
endfunction

which causes an error with copen if vimgrep doesn't return anything.
I'd like to handle the error a little more gracefully if possible.

Thank you,

Chris

--
Chris Sutcliffe
http://emergedesktop.org
http://www.google.com/profiles/ir0nh34d

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