note BrowserUk <blockquote><i> Since the first expression glob("$_/f*") is only true for 'dir1', it should only return that element of the directory list (even though glob returns 3 files in that directory). </i></blockquote> <p>You are missing the fact that [grep] puts the [glob] in a scalar context, and that makes it act as an iterator: <blockquote><i> In scalar context, glob iterates through such filename expansions, returning undef when the list is exhausted. </i></blockquote> <div class="pmsig"><div class="pmsig-171588"> <hr /> <font size=1 > <div>With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'</div> <div>Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.</div> <div>"Science is about questioning the status quo. Questioning authority". </div> <div>In the absence of evidence, opinion is indistinguishable from prejudice. </div> </font> </div></div> 1016826 1016828