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Found 3 results

  1. I had to compare two files with more than one million lines per file. I've tested several examples but all of them are too slow. Most of them are running for several hours to compare 1 million lines. I have written a script that compare's 2 txt files with 1 million lines in less than 5 minutes. (After the files are loaded in an array) It writes the missing files to 2 textfiles. It compares 10.000 lines in 1.8 sec, 100.000 lines in 21 sec, 1000.000 lines in 250 sec on my laptop. The example script creates 2 array's with 1.000.000 lines and then remove's some entry's. At the end it writes 2 txt files with the missing lines per array. Please test it and give commend's #include <array.au3> #include <Timers.au3> #include <file.au3> Local $NrOfRows = 1000000 ; Set number of rows to test Local $delString1 = 0 Local $delString2 = 0 Local $Array1[$NrOfRows] Local $Array2[$NrOfRows] $StartTime = _Timer_Init() $Timer = _Timer_Init() ; Creating 2 array's For $i = 0 to $NrOfRows - 1 $Array1[$i] = "Just some tekst to emulate data to compare " & $i Next $Array2 = $Array1 ConsoleWrite("Array's created in " & Round(_Timer_Diff($Timer)) & " milliseconds" & @CRLF) $Timer = _Timer_Init() ; removing some entry's from both array's to show functionality _ArrayDelete($Array1, "333;5555;7777") _ArrayDelete($Array2, "222;4444;6666") ConsoleWrite("Removed some value's in " & Round(_Timer_Diff($Timer)) & " milliseconds" & @CRLF) $Timer = _Timer_Init() ; You neede to sort the array is you use Binary Search _ArraySort($Array1, 0, 1, 0, 0, 1) ConsoleWrite("Sorted Array 1 in " & Round(_Timer_Diff($Timer)) & " milliseconds" & @CRLF) $Timer = _Timer_Init() ; comparing the 2 array's For $i = 0 to UBound($Array2) - 1 $Index = _ArrayBinarySearch($Array1, $Array2[$i], 1) ; add equal rows to a string If $Index <> -1 Then $delString1 &= ";" & $Index $delString2 &= ";" & $i EndIf Next ConsoleWrite("Array's compared in " & Round(_Timer_Diff($Timer)) & " milliseconds" & @CRLF) $Timer = _Timer_Init() ; removing the equal rows from the array's _ArrayDelete($Array1, $delString1) _ArrayDelete($Array2, $delString2) ConsoleWrite("removed equal rows in " & Round(_Timer_Diff($Timer)) & " milliseconds" & @CRLF) $Timer = _Timer_Init() ; writing the rsult to files _FileWriteFromArray("missing in array 1.txt", $Array2) _FileWriteFromArray("missing in array 2.txt", $Array1) ConsoleWrite("Write missing value's to File in " & Round(_Timer_Diff($Timer)) & " milliseconds" & @CRLF) $Timer = _Timer_Init() ConsoleWrite("Compare complete in " &Round(_Timer_Diff($StartTime)) & " milliseconds")
  2. If you need to compare two files using WinMerge, you can use the _WinMergeCompare2Files function as in the following example: _Example() Func _Example() FileCopy(@ScriptFullPath, @ScriptFullPath & '.txt') FileWrite(@ScriptFullPath & '.txt', @CRLF & 'TEST' & @CRLF & @CRLF) _WinMergeCompare2Files(@ScriptFullPath, @ScriptFullPath & '.txt') EndFunc ;==>_Example Func _WinMergeCompare2Files($sLeftFilePath, $sRightFilePath, $fWaitForWinMerge = True) ; Left is orginal , Right is new Local Const $sWinMergeParamsKey = 'HKEY_CURRENT_USER\Software\Thingamahoochie\WinMerge' If FileExists($sLeftFilePath) And FileExists($sRightFilePath) Then Local Const $sWinMergeExecutable = RegRead($sWinMergeParamsKey, 'Executable') Local Const $sFileName = StringRegExp($sLeftFilePath, '(?i).*\\(.*)', 3)[0] Local Const $sWinMergeParams = _ ' /u /e /xq /wl /maximize /dl "Original: ' & $sFileName & '" /dr "New version: ' & $sFileName & '" ' & _ '"' & $sLeftFilePath & '"' & ' ' & '"' & $sRightFilePath & '"' If $fWaitForWinMerge Then ShellExecuteWait($sWinMergeExecutable, $sWinMergeParams) Else ShellExecute($sWinMergeExecutable, $sWinMergeParams) EndIf EndIf EndFunc ;==>_WinMergeCompare2Files
  3. Hi everyone , hope some masters and MVP could help me on this. I have 2 files to compare file1.txt and file2.txt Both files have like 20000 lines and it's hard for me to go through them line by line. Here's an example of the lines : 212121212121ýxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 313131313131ýxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx I need to read the first string 212121212121 before ý from file1.txt and compare it to the same string on file2.txt then if anything on the same line from both files is different then copy the whole line in another file result.txt I'm really sorry i got stuck on this as i could figure out if i should use FileRead/_FileReadToArray or FileReadLine or StringMid Please help me at least how to start my script Thank you so much PCI
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