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Suppose a source code interpreter outputs the error messages in the following format:

M123 Warning path/to/file 123 Description message

That is:

error_code error_type file line_number message

How can I set errorformat such that I get both the error_code and message in the quickfix window? Please note that error_type can be any string, with and without numbers.

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  • Unfortunately, I do not think this is possible. The message is parsed with %m, and this can only be used once. I hope I am wrong, though! Oct 9 '15 at 13:58
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You can't do this with errorformat alone, but there are a couple of ways to do it. One is to filter the output of your interpreter with another program like this:

:set mp=make\ \\\|&\ error_filter

as explained in an un-indexed paragraph in the reference manual. To find it, execute :help quickfix-directory-stack and scroll up to the previous section titled "Filtering messages".

Another way is to post-process the contents of the quickfix list as described under :help QuickFixCmdPost-example.

Using either method, edit the error message to put error_code next to message and use an errorformat that sees them together as just a message (%m).

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