OT: "find" command with branch/pipe

[Andre Massing]

Den 08.11.10 12.50, skrev Harald Hanche-Olsen:
> + Andre Massing<massing at simula.no>:
>
>> I am struggling with the find command, trying to find all files ending
>> with .h or .cpp in a certain directory.
>> On my former linux machine the following worked as intended:
>> find   ./ -regextype grep -regex '.*\.\(\(h\)\|\(cpp\)'
>> but Apple's find command does neither know the regextype option nor
>> does it work as expected if I omit it. I tried already different kind
>> of
>> grouping and escaping but without success. Has anybody an idea how I
>> can get find to work as intended?
> Have you checked the man page for Apple's find, notably the -E flag
> (and the resulting reference to re_format(7))?

Ah, thanks for that. I had already studied the re_format man page, but 
did not stumble about the -E option in the find help.
So it worked  with
find -E   ./ -regex ".*\.(h|cpp)"
> Anyhow, for your particular need, using regexps is overkill.
> find . \( -name '*.h' -o -name '*.cpp' \)
>
> will work, and is easier both to type and to read.
That is true, I have a slightly more complex case here, so I stripped it 
down a bit.
But anyway, thank you very much for your help!

Cheers,
Andre
> You may skip \( and \) in the above usage, but they are needed if you
> follow the search term with -print0 or stuff like that.
>
> - Harald