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Postings from August 2012
On Mon, 13 Aug 2012 12:41:02 +0100, David Cantrell <david@cantrell.org.uk> wrote: > pack() and unpack() can handle words of 1, 2, 4, and (if you built your > perl right) 8 bytes. And I use the same magic characters (although > without using pack and unpack) in Data::Hexdumper. > > However, I want to extend it to support 16 byte words and, indeed, to > support any other length words. 3 byte words, for example. > > I'd like to remain as compatible as possible with the characters used in > pack()'s templates, but there's nothing there for what I want. > > So, can I propose that we pick a character for this purpose and at least > define some syntax for specifying a word length, endian-ness, and repeat > count for it, even if it isn't implemented yet? > > Something like this perhaps: > X5,4> > > which means: > X - whatever letter we choose > 5 - word length > ,4 - optional repeat count > > - optional endian-ness Counterintuitive in that order l4 is 4 longs, so if the 4 in your example matches the 4 in l4, I'd guess that X5>4 would be more intuitive I kinda like your approach though. What about bits? Why restrict to multiple of 8 bits? -- H.Merijn Brand http://tux.nl Perl Monger http://amsterdam.pm.org/ using perl5.00307 .. 5.14 porting perl5 on HP-UX, AIX, and openSUSE http://mirrors.develooper.com/hpux/ http://www.test-smoke.org/ http://qa.perl.org http://www.goldmark.org/jeff/stupid-disclaimers/Thread Previous | Thread Next