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Re: golfing again

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Am Samstag, 8. Dezember 2012 21:02:51 UTC+1 schrieb luser- -droog:
> I've been toying around with binary encodings and here are some results.
> 
> 
> 
> The (mini-)goal is to shrink this sequence to read an input line from the
> 
> source file:
> 
> 
> 
> currentfile 999 string readline pop
> 
> 35 chars
> 
> 
> 
> A Binary Object Sequence starts with a four-byte header
> 
>  type length byte-length
> 
>  129  5      ?? ??
> 
> 
> 
> Then an executable name 
> 
>  type unused -1=systemname 32bit value
> 
>  83   0      -1(16bits)    31  currentfile       
> 
> 
> 
> An integer is
> 
>  type unused lowbyte hibyte
> 
>  01   0      999(16bits)
> 
> 
> 
> So 4 + 6 (for the number) + 8 * 4 (names) = 42. Forget BOS!
> 
> 
> 
> 
> 
> Binary Tokens are a little more promising, but limits to the first 255
> 
> system names.
> 
> 
> 
>  type            val
> 
>  146=x-sys-name  31=currentfile
> 
>  135=LE-16b-int  999_10 = E7 03
> 
>  146             165=string
> 
>  146             125=readline
> 
>  146             117=pop
> 
> 
> 
> As a hex-string,
> 
> <921F87E70392A5927D9275>cvx exec
> 
> 32 chars.
> 
> 
> 
> Not much. :(

You can shrink this to 11 bytes using binary token sequence in a real binary file. Hexdump:

$ hexdump -C test.ps
00000000  92 1f 39 39 39 92 a5 92  7d 92 75                 |..999...}.u|
0000000b

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golfing again "luser.droog" <luser.droog@gmail.com> - 2012-12-08 14:02 -0600
  Re: golfing again zupftom@googlemail.com - 2012-12-08 13:51 -0800
    Re: golfing again "luser.droog" <luser.droog@gmail.com> - 2012-12-08 19:18 -0600
      Re: golfing again tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2012-12-09 00:54 -0500
  47-char binary-name-string exec/Implicitly-named procedures (Re: golfing again) luser- -droog <mijoryx@yahoo.com> - 2012-12-16 15:58 -0800
    Re: 47-char binary-name-string exec/Implicitly-named procedures (Re: golfing again) luser- -droog <mijoryx@yahoo.com> - 2012-12-16 16:02 -0800

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