Re: Checking return codes?

>> 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.
>
> You can use a :try :catch block and catch pattern E480.
> (Seems like the help tag E480 is wrong).
> And you can also check, whether the result returned by getqflist() is
> empty.

The getqflist() is the approach I took:

function! Grep(pattern, location)
exe "noautocmd vimgrep /" . a:pattern . "/gj " . a:location
if (!empty(getqflist()))
silent exe 'copen'
endif
endfunction

which works nicely for me.

Cheers!

Chris

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

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