Re: [bug-grep] rewriting the main loop

[Claudio Fontana]

I have one question regarding handling of directories.

Currently handling of directories is one of
READ_DIRECTORIES, RECURSE_DIRECTORIES and
SKIP_DIRECTORIES, the default being READ_DIRECTORIES.

Q: Would it make sense (and would it be ok with posix)
to make the standard behaviour SKIP_DIRECTORIES?

On READ_DIRECTORIES maybe we could try to really read
the directory (try read(2), on failure use readdir(3),
using dir entries as lines).

If this is not possible, then I would fail noisily
with  READ_DIRECTORIES if read(2) fails on the
implementation at hand. So

>       grep: dirname: Is a directory

and I would return 2. In fact dirname could not be
read, so the return value should be the same as 

grep: nonexistant.txt: No such file or directory

in my opinion.

Claudio



                
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