Re: Glob and grep

[Nick Cross <zsh@goots.org>]

On 16/12/2019 23:10, Mikael Magnusson wrote:
> On 12/16/19, Nick Cross <zsh@goots.org> wrote:
>>
>> Hi,
>>
>> While I've been able to find varying amounts of information on the net I
>> haven't found quite enough to get the following working.
>>
>> I would like to condense the following into a single grep / glob
>> expression where I search recursively through a directory tree, ignoring
>> any sub-trees starting with 'test' or 'target'.
>>
>> grep <pattern> **/*.groovy  | egrep -v "(/test/|/target/)"
>>
>> While I found information about ^(xxx) it wasn't clear how to have
>> multiple expressions to ignore.
>>
>> Am I right in thinking I can add (.) to e.g. *.groovy to ensure I only
>> search for files as well ?
> 
> I think what you want is
> grep <pattern> (^(test|target)/)#*.groovy(.)
> 

Thats great thanks! Works perfectly.

So to break it down - the ^ negates the or'd block. Can you explain how 
the wrapped (../) and # then works please?

Thanks

Nick