problem using recursive grep (-r option)

ping songpingemail@gmail.com
Wed Aug 8 08:24:00 GMT 2012


On 8/7/2012 1:55 PM, Sean Daley wrote:
> On Tue, Aug 7, 2012 at 11:08 AM, AngusC <> wrote:
>>
>> If I use the command:
>>
>> grep -nH -r "my pattern" *.*
>>
>> I get results back as expected
>>
>> But if the file pattern is like this:
>>
>> grep -nH -r "my pattern" *.log
>>
>> I get no results back (Even though I have a ton of files with this pattern
>> with .log file extension).
>>
>> Am I doing something wrong?
>> --
> The first one works because *.* will match everything your current directory,
> including sub-directories and it will recurse through each of them.  The
> second example will first match anything in your current directory with a .log
> extension and try to grep it (if it's a file) or recurse through it if
> it's a directory.
>
> What I believe you want to do (at least works on Linux) is
> grep -nH -r "my pattern" --include "*.log" .
>
> Sean
>
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I think this is the best answer ever so far.

also it looks for me:
  grep -nHr "pattern" *.*
    equals:
  grep -nHr "pattern" .

I use the latter alot to quickly locate a file per content.


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