integer to binary and binary to integer

 

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Two handlers that converts integers to binary strings and binary strings to integers without xtras. It came up when I instead of a progressbar wanted to show progress with a binary string. The final project used a standard progressbar:-) /Mango

--usage---- --put intToBin(65,8) returns a eight digit binary string -- "01000001" --put intToBin(65,0) returns a binary string without zeropadding -- "1000001" --errorcodes -- -1 = integer value > max possible value with wanted number of digits -- -2 = integer value < 0 -- -3 = integer not an integer -- -4 = binbase not an integer on intToBin int, binbase   --errorchecking   if integerp(binbase) = 0 then return -4   if integerp(int) = 0 then return -3   if int < 0 then return -2   if binbase > 0 and integer(power(2,binbase)) > int = 0 then return -1   --end errorchecking   --calculate automatic binbase if binbase = 0   if binbase = 0 then     tint = int     binbase = 1     repeat while tint > 1       tint = tint / 2       binbase = binbase +1     end repeat   end if   --end automatic binbase calculation   repeat with i = binbase down to 1     base = integer(power(2,i-1))     a = int / base     int = int - (a*base)     s = s & a   end repeat   return s end --usage---- --put binToInt("1000001") -- 65 --errorcodes -- -1 = string contains digits other than 0 and 1 -- -2 = string is not a string on binToInt abin   if stringp(abin) = 0 then return -2   tmpr = 1   tint = 0   repeat with i = 1 to abin.char.count     b = abin.char[abin.char.count -i +1]     case b of       "1":         tint = tint + tmpr       "0":       otherwise         return -1     end case     tmpr = tmpr *2      end repeat   return tint end