Ignore lists [was: Keeping the cruft out ...]

[Tom Allison]

Eric Wood wrote:
> Bill McClain wrote:
> 
>>>Greg McCann wrote, in small part:
>>
>>>>1.  It does not do whole-word matching.
>>
>>grep has a -w word-match switch which works with -f and -v. Does that
>>help?
> 
> 
> With grep, one problem with the -w word-match is that is renders a -i ignore
> case useless.  The word-match must still match the case of the
> search-string.
> 
> Now, fgrep's word-match ignore's case if you use the -i .  So "hoooray" for
> fgrep.
> 
> But, fgrep can't handle this senerio when you have spaces strings when
> coming from a -f pattern-file.  So "boooo" for fgrep.
> 
> I found this out the hard way....
> -Eric Wood
> 

Well, it was the best simple thing I could come up with.

fgrep is a lower resouce than grep or egrep, but with obvious 
limitations.  :)

If you really want to pick the list apart and want to address all the 
possible exceptions, then look into processing exclusion list through 
perl...