This statement allows to use glob in cmd (Win32). Without this line the script if run as: 
C:\perl\bin>perl script.pl N:/TEMP/*

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throws the following message: 
Use of uninitialized value in numeric lt (<) at script.pl
line 8.
        N:/TMP/*

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I have found this line by BrowserUK some time ago (cannot find the original node now) and I am very grateful for it.

Update: Did not see the post from BrowserUK before I sent my message.

In reply to Re^2: The "<" in the grep block by vagabonding electron
in thread The "<" in the grep block by vagabonding electron

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