On Saturday, June 21, 2003, at 05:05 PM, Mark Brownell wrote:
I don't see what to place into the local variable halfBlock
-- my goal is to end up with this: 1181708909
-- from this:
put charToNum("m") + (charToNum("r") * 256 ) + ( charToNum("o") * 65536 ) + ( charToNum("F") * 16777216 )
Hey, you changed order on me! Actually, that is the order I prefer.
The number is placed in halfBlock. The function returns the number of values converted.
Try this in a button (I'm assuming fields "Input" and "Report"):
-- ==================== on mouseUp put strToHalfBlock(field "Input") into field "Report" end mouseUp
function strToHalfBlock str
local halfBlock
put binaryDecode("N",str,halfBlock) into numConverted
if numConverted is not 1 then
-- do error thing here?
return "error"
end if
return halfBlock
end strToHalfBlockfunction charsToHalfBlock a, b, c, d return strToHalfBlock(a&b&c&d) end charsToHalfBlock -- =====================
If you prefer individual chars, you can use the later function.
This script puts 1181708909 into the field "Report" when the field "Input" contains "Form". Hey! That's just what you asked for!
Try the TD, too, for info.
The "N" is for network byte order unsigned 32-bit. That way, once you get the order the way you want, it will be the same across platforms. The other option is host byte order. Should we ask for options for big-endian and little-endian, too?
You can loop through your padded string to be encrypted four chars at a time to create a halfBlock array (or process as you go). If 'i' is your looping counter, then pick off four chars at a time with this expression 'char i to i+3 of paddedString' or something like that. Repeat has been upgraded to allow increments by 4 (or 8 if you process as you go).
Dar Scott
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