which is faster (a repeat structure question)

[Richard Gaskin]

Shao Sean wrote:

>> put url("file:"&it) into inputData
> you store the data
> 
>> replace numToChar(i) with ("=" & toUpper(baseConvert(i,10,16))) \
>> in inputData
> you convert the data
> 
> 
>> -- TEST 2
> but for test2 the data is still converted..

Good catch.  I revised it as shown below and still get similar results.

Oddly enough, on files containg binary data the outputs do not match.
Should they?


on mouseUp
  answer file "Select a file:"
  if it is empty then exit to top
  put url("file:"&it) into inputData1
  put inputData1 into inputData2
  put len(inputData1) into tLen
  set the cursor to watch
  --
  -- TEST 1
  --
  put the milliseconds into tStart
  repeat with i = 127 to 255
    replace numToChar(i) with ("=" & toUpper(baseConvert(i,10,16))) \
        in inputData1
  end repeat
  put the milliseconds - tStart into tTime1
  put inputData1 into tOut1
  --
  -- TEST 2
  --
  put the milliseconds into tStart
  repeat for each char inputDataChar in inputData2
    if (charToNum(inputDataChar) >= 127) then
      put "=" & toUpper(baseConvert(charToNum(inputDataChar),10,16)) \
          after outputData
    else
      put inputDataChar after outputData
    end if
  end repeat
  put the milliseconds - tStart into tTime2
  put outputData into tOut2
  --
  -- RESULTS
  --
  if tOut1 <> tOut2 then put "error in one of the algorithms"
  else  put "Length: "&tLen&"  replace: "&tTime1 &\
      "  repeat for each: "& tTime2
end mouseUp


-- 
 Richard Gaskin 
 Fourth World Media Corporation
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