Fore. 

$ perl -MSocket -e 'printf(("%02x"x4)."\n",unpack"C4",inet_aton shift)
+' 127.0.0.1
7f000001

[download]

Update: Granted there's no error checking as the OP's, but that's a single regex at worst (and is left as an exercise for the reader . . . :).

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re: IP to hex translator by Fletch
in thread IP to hex translator by actualize

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