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By czardas
Haven't had much time to code recently. However the following thread inspired me.
The debate about linear, parallel and binary search methods was rather interesting and, in an attempt to be diplomatic, I decided to combine @jchd's suggestion with @LarsJ's binary search example. I decided that the binary search algorithm required modification to make it more linear. As usual, 'if you invent something, it probably already exists and if it already exists, it exists for a reason'. My first attempt was not all that good. The code worked but was really a mess. I blame peer pressure (to post an example of a parallel search method). I will delete that old code in due course.
With a little memory jogging and a glance at the help file, the solution turned out to be quite easy: I just needed a better understanding of Euler. Further modification will be needed to work with more complicated unicode strings. The output could be returned as an array or a delimitered string. I'm not so interested in those details. I'm just going to post the algorithm for now and anyone, who wants to, can modify it to suit their needs. Both arrays must contain at least 1 element.
Local $aFoo = [0,1,2,3,4,5,6,7,9,10,11,12,13,14,15,16,19,20,23,24,26,30,35,39,40,41] Local $aBar = [0,1,5,6,7,8,9,10,11,12,13,14,17,18,19,21,24,25,26,27,34,35,38,40] ParallelExponetialSearch($aFoo, $aBar) ; Compares two lists - returning positive matches. Each input array must be unique (individually) and in alphabetical order. Func ParallelExponetialSearch($aFoo, $aBar) Local $sFind, _ $iMin_F = -1, $iMax_F = UBound($aFoo) -1, $Lo_F = $iMin_F, $Hi_F, _ $iMin_B = -1, $iMax_B = UBound($aBar) -1, $Lo_B = $iMin_B, $Hi_B While $iMin_F < $iMax_F And $iMin_B < $iMax_B ; Toggle Arrays - Which array has most untested elements? This is the one we want to search next, ; so we can bypass more comparisons because (in theory) mismatches have a greater chance of being skipped. If $iMax_F - $iMin_F >= $iMax_B - $iMin_B Then ; $aFoo has more (or an equal number of) untested elements $Hi_F = $iMax_F $iMin_B += 1 $sFind = $aBar[$iMin_B] While $Lo_F < $Hi_F ; search $aFoo For $i = 0 To Floor(Log($Hi_F - $Lo_F) / Log(2)) $Lo_F = $iMin_F + 2^$i If $aFoo[$Lo_F] = $sFind Then $iMin_F = $Lo_F ; each match should be added to the output [perhaps an array] ConsoleWrite($sFind & " found at $aFoo[" & $Lo_F & "] = $aBar[" & $iMin_B & "]" & @LF) ExitLoop 2 ElseIf $aFoo[$Lo_F] > $sFind Then $Hi_F = $Lo_F -1 $iMin_F += Floor(2^($i -1)) $Lo_F = $iMin_F ContinueLoop 2 EndIf Next $iMin_F = $Lo_F ; minimum increment is one WEnd Else ; $aBar has more untested elements $Hi_B = $iMax_B $iMin_F += 1 $sFind = $aFoo[$iMin_F] While $Lo_B < $Hi_B ; search $aBar For $i = 0 To Floor(Log($Hi_B - $Lo_B) / Log(2)) $Lo_B = $iMin_B + 2^$i If $aBar[$Lo_B] = $sFind Then $iMin_B = $Lo_B ; each match should be added to the output [perhaps an array] ConsoleWrite($sFind & " found at $aFoo[" & $iMin_F & "] = $aBar[" & $Lo_B & "]" & @LF) ExitLoop 2 ElseIf $aBar[$Lo_B] > $sFind Then $Hi_B = $Lo_B -1 $iMin_B += Floor(2^($i -1)) $Lo_B = $iMin_B ContinueLoop 2 EndIf Next $iMin_B = $Lo_B ; minimum increment is one WEnd EndIf WEnd EndFunc ;==> ParallelExponetialSearch I hope this will be useful to someone. I believe it deserved a thread of its own!
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By ur
We can get a list of file using the below code.
Local $aFileList = _FileListToArray(@DesktopDir, "*") Is there any option to use the above one recursively to get sub folders and their contents also.??
And also, is there any way to serialize the above array locally to some file and load it later when we want in another program on another machine so that we can compare its contents with a folder in different machine, which is not network connected also.?
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By ur
Generally we will use tools like Winmerge or Beyond Compare for this purpose.
Are there any UDF or libraries available in AutoIT to compare any two files or folder contents.
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By FMS
Hello,
I'm having trouble whit a scipt what I'm building where this is a snippit from, and hope somebody can help me whit.
The problem lies in when i push the "add" button i want to check if the "user" already exists.
But the search code i build founds 2 hits when i know there is only 1 hit.
does somebody knows what I'm doing wrong?
thanks in advance.
Ps. if somebody knows " if i found the right user how can i rewrite the password for him/her? " an answer to that will be most appriciated
#include <ButtonConstants.au3> #include <GUIConstantsEx.au3> #include <StaticConstants.au3> #include <WindowsConstants.au3> #include <AutoItConstants.au3> #include <Array.au3> #include <FileConstants.au3> #include <MsgBoxConstants.au3> #include <WinAPIFiles.au3> #include <File.au3> #Include <Timers.au3> #include <Crypt.au3> #include <GuiEdit.au3> $Form1 = GUICreate("Pie", 170, 235, 190, 200) local $usernames[0] local $passwords[0] global $selectuser = GUICtrlCreateCombo("", 21, 95, 130, 20) $addusername = GUICtrlCreateButton("Add", 21, 170, 130, 30) $usernamefield = GUICtrlCreateInput("", 21, 120, 130, 20) $passwordfield = GUICtrlCreateInput("", 21, 145, 130, 20, 0x0020) func encrypt() Local $hFileOpen = FileOpen("data.srmt", $FO_APPEND) if guictrlread($usernamefield) <> "" then ;~ local $encryptedusername = string(guictrlread($usernamefield)) ;~ local $encryptedpassword = string(guictrlread($passwordfield)) local $encryptedusername = string(_Crypt_EncryptData(guictrlread($usernamefield), "P14h735536jk3fvvbg", $CALG_AES_128)) local $encryptedpassword = string(_Crypt_EncryptData(guictrlread($passwordfield ), "P14h735536jk3fvvbg", $CALG_AES_128)) Local $iCheck_hit = False ConsoleWrite (@CRLF & "##############################################"& @CRLF) if ubound($usernames)> 0 then for $i = 0 to ubound($usernames)-1 If guictrlread($usernamefield) = $usernames[$i] Then $iCheck_hit = True ConsoleWrite ( "Found! "& @CRLF & $usernames[$i] & " = " & guictrlread($usernamefield) & @CRLF & "i = " & $i & @CRLF & @CRLF) ;~ Else ;~ ConsoleWrite ( "No! "& @CRLF & $usernames[$i] & " = " & guictrlread($usernamefield) & @CRLF & "i = " & $i & @CRLF & @CRLF) EndIf next EndIf ConsoleWrite ( "##############################################"& @CRLF) If $iCheck_hit = False Then FileWrite($hFileOpen, $encryptedusername & @CRLF) FileWrite($hFileOpen, $encryptedpassword & @CRLF) EndIf EndIf FileClose($hFileOpen) EndFunc func decrypt() Local $hFileOpen = FileOpen("data.srmt", $FO_READ) ;~ consolewrite(_FileCountLines("data.srmt") & " lines in the file" & @CRLF) for $i = 1 to _FileCountLines("data.srmt")/2 local $encryptedusername = FileReadLine($hFileOpen) local $encryptedpassword = FileReadLine($hFileOpen) ;~ consolewrite($encryptedusername & @CRLF) ;~ consolewrite($encryptedpassword & @CRLF) ;~ _ArrayAdd($usernames, FileReadLine($hFileOpen)) ;~ _ArrayAdd($passwords, FileReadLine($hFileOpen)) _ArrayAdd($usernames, binarytostring(_Crypt_DecryptData(binary($encryptedusername), "P14h735536jk3fvvbg", $CALG_AES_128))) _ArrayAdd($passwords, binarytostring(_Crypt_DecryptData(binary($encryptedpassword), "P14h735536jk3fvvbg", $CALG_AES_128))) Next FileClose($hFileOpen) ;~ consolewrite(ubound($usernames) & " entries in array") ;~ _arraydisplay($usernames) if ubound($userNames)> 0 then for $i = 0 to ubound($usernames)-1 GUICtrlSetData($selectuser, $usernames[$i]) next EndIf endfunc func updatecomboandinfo() if not GUICtrlRead($usernamefield) = "" Then _ArrayAdd($usernames, GUICtrlRead($usernamefield)) _ArrayAdd($passwords, GUICtrlRead($passwordfield)) GUICtrlSetData($selectuser, $usernames[UBound($usernames)-1]) EndIf EndFunc decrypt() GUISetState(@SW_SHOW) While True $nMsg = GUIGetMsg() Switch $nMsg Case $GUI_EVENT_CLOSE Exit Case $addusername updatecomboandinfo() encrypt() GUICtrlSetData($usernamefield, "") GUICtrlSetData($passwordfield, "") Case $selectuser if ubound($usernames)> 0 then for $i = 0 to ubound($usernames)-1 ;~ msg( "error",$array_decrypted_usernames[$i]) If $usernames[$i] = GUICtrlRead($selectuser) Then GUICtrlSetData($usernamefield, $usernames[$i]) GUICtrlSetData($passwordfield, $passwords[$i]) consolewrite("YES " & $i & " = " & $usernames[$i] & " | ctr = " & GUICtrlRead($selectuser) & @CRLF) Else ;~ msg( "error",$array_decrypted_usernames[$i]) consolewrite("NO " & $i & " = " & $usernames[$i] & " | ctr = " & GUICtrlRead($selectuser) & @CRLF) EndIf next EndIf EndSwitch WEnd
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By cherrylatte
hi
I'm trying to make a script that runs different functions depending on the local time of the computer
I tried to do
if _NowCalcDate < 2016/04/12 Then
functionA()
Else
functionB()
Endif
and that doesn't seem to work.
I am assuming that value returned from _NowCalcDate doesn't match with the date type I wrote
What should I do? I'd appreciate for any help that's given.
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