Thank you all for the input. Below is a new version of dump-bin that
includes Ashley's suggestions. Hallvard you got my permission to
include in prob.r.
Greg, I think your suggestion that probe should produce output
similar to dump-bin by default is great. I hope Carl goes for it.
Finally, I hope to be posting other code snippets soon. I am working
on a ssh scheme for rebol versions that support encryption. I am
thinking about releasing it to the public, but first I need to figure
out
the licensing terms.
Cheers, Jaime
-- The best way to predict the future is to invent it -- Alan Kay
dump-bin: func [
"Print ASCII info for entire binary. (for debugging)"
bin [binary!]
/local v t c r pad pl len chars tmp
][
chars: charset [#"a" - #"z" #"A" - #"Z" #"0" - #"9" #"-"]
t: to-integer divide len: length? bin 16
r: remainder len 16
pl: either odd? r [40 - (5 * (r - 1) / 2)][40 - (5 * r / 2)]
pad: head insert/dup copy {} #" " pl
for j 0 t 1 [
prin head insert/dup tmp: to-string j "0" 4 - length? tmp
prin ":^-"
; first print the hex format
c: either j = t [r][16]
repeat i c [
prin lowercase at to-hex pick bin (j * 16 + i) 7
if equal? i // 2 0 [prin " "]
]
if all [r <> 0 j = t] [prin pad]
either j <> t [prin "^-|^- "][if r <> 0 [prin "^-|^- "]]
; now print the ascii character
repeat i c [
prin either find chars v: to-char pick bin (j * 16 + i) [v][#"."]
]
prin newline
]
]
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