Brian J. Murrell wrote: > On Thu, 2007-12-20 at 12:58 -0800, Tom Eastep wrote: >> Yes -- but that function can blow up the first time that it tries to touch >> its arguments in a numeric context. So it would have to break them into two >> smaller integers without using arithmetic and without the benefit of >> ${foo:a:b} (these toy shells don't support that form of expansion). > > How about: > > # foo=1.2.3.4 > # echo ${foo#*.*.} > 3.4 > # echo ${foo%.*.*} > 1.2 > >> That will be ugly and slow. > > Not the above. Or am I missing something? >
Please have a look at ip_range() and ip_range_explicit() in lib.base and try to envision recoding them to use that technique. Maybe you want to spend your Christmas vacation that way -- I don't. Especially when I can't test anything without exchanging emails with you. Yet another question: what does "/bin/sh /sbin/shorewall-lite ipdecimal 2953838592" do? -Tom -- Tom Eastep \ Nothing is foolproof to a sufficiently talented fool Shoreline, \ http://shorewall.net Washington USA \ [EMAIL PROTECTED] PGP Public Key \ https://lists.shorewall.net/teastep.pgp.key
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