Search the Community

Using some very ingenious scripts that I found on this forum, I've put together a special-purpose folder watcher that watches a specified folder for printer output files and then either send them to a printer or converts them to a PDF and prints or opens the PDF. The page about this utility is here: http://www.columbia.edu/~em36/printfileprinter.html The one serious problem that it has is that it seems not to detect a new file if there are more than two or three files already in the watched folder. I can't figure out what I'm doing wrong, and will be grateful for any help. Here is the relevant part of the script. I've left out the functions that test whether the file is in use or not, and that send the raw data to the printer or create a PDF, etc. I hope there's enough code here to make sense of it, and will be very grateful for any help. Again, the problem is that the script doesn't detect newly-created files in watched folders with more than a very few files already in it. My totally ignorant guess is that the problem is in the line $iID = _WinAPI_WaitForMultipleObjects(2, $paObj, 0, 0) - but I don't know how to change it and of course I'm only guessing whether it's relevant or not. Many thanks Global $g_ahObj[2] $g_ahObj[0] = _WinAPI_FindFirstChangeNotification($watchPath, $FILE_NOTIFY_CHANGE_FILE_NAME) $g_ahObj[1] = _WinAPI_FindFirstChangeNotification($watchPath, $FILE_NOTIFY_CHANGE_DIR_NAME) If (Not $g_ahObj[0]) Or (Not $g_ahObj[1]) Then MsgBox(BitOR($MB_ICONERROR, $MB_SYSTEMMODAL), 'Error', 'Unable to create change notification.') Exit EndIf Local $tObjs = DllStructCreate('ptr;ptr') Local $paObj = DllStructGetPtr($tObjs) For $i = 0 To 1 DllStructSetData($tObjs, $i + 1, $g_ahObj[$i]) Next Local $iID While 1 Sleep(100) $select = 0 $print = 0 $format = "" Local $tempPDF $tempPDF = 0 $iID = _WinAPI_WaitForMultipleObjects(2, $paObj, 0, 0) Switch $iID Case 0 ; WAIT_OBJECT_0 ; ConsoleWrite('A file was created, renamed, or deleted in the directory.' & @CRLF) Local $hSearch = FileFindFirstFile($watchPath & "\*") Local $sFileName = "", $iResult = 0 Local $sFilePath = "" While 1 $sFileName = FileFindNextFile($hSearch) ; If there is no more file matching the search. If @error Then ExitLoop $sFilePath = $watchPath & "\" & $sFileName Local $fileUsed $fileUsed = 0 $fileUsed = _FileIsUsed($sFilePath) If $fileUsed = 1 Then While 1 Sleep(100) $fileUsed = _FileIsUsed($sFilePath) If $fileUsed = 0 Then ExitLoop WEnd EndIf If StringInStr($sFileName, "raw") Then If StringInStr($sFileName, "select") Then $select = 1 PrintRawFile($sFilePath, $select) Else If StringInStr($sFileName, "lg.") Then $pageSize = "legal" ElseIf StringInStr($sFileName, "a4.") Then $pageSize = "a4" ElseIf StringInStr($sFileName, "us.") Then $pageSize = "letter" EndIf $pdfTemp = 0 If StringLower(StringLeft($sFileName, 7) = "pdftemp") Then $pdfTemp = 1 If StringInStr($sFileName, ".pcl") Then $format = "pcl" $print = 1 If StringLeft($sFileName, 6) = "select" Then $select = 1 $print = 1 ElseIf StringLeft($sFileName, 3) = "pdf" Then $select = 0 $print = 0 EndIf MakePDF($sFilePath, $format, $print, $select, $pageSize, $pdfTemp) ElseIf StringInStr($sFileName, ".ps") Then $format = "ps" $print = 1 If StringLeft($sFileName, 6) = "select" Then $select = 1 $print = 1 ElseIf StringLeft($sFileName, 3) = "pdf" Then $select = 0 $print = 0 EndIf MakePDF($sFilePath, $format, $print, $select, $pageSize, $pdfTemp) ElseIf StringInStr($sFileName, ".esc") Then Sleep(200) $format = "epson" $print = 1 If StringLeft($sFileName, 6) = "select" Then $select = 1 $print = 1 ElseIf StringLeft($sFileName, 3) = "pdf" Then $select = 0 $print = 0 EndIf MakePDF($sFilePath, $format, $print, $select, $pageSize, $pdfTemp) ElseIf StringInStr($sFileName, ".prn") Then $format = GetFileFormat($sFilePath) $print = 1 If StringLeft($sFileName, 6) = "select" Then $select = 1 $print = 1 ElseIf StringLeft($sFileName, 3) = "pdf" Then $select = 0 $print = 0 EndIf ConsoleWrite("PRN test format: " & $format & @CRLF) MakePDF($sFilePath, $format, $print, $select, $pageSize, $pdfTemp) EndIf EndIf ; Display the file name. ; $iResult = MsgBox(BitOR($MB_SYSTEMMODAL, $MB_OKCANCEL), "", $watchPath & "\" & $sFileName) ;~ RunWait(@ComSpec & " /c notepad.exe " & $watchPath & "\" & $sFileName) ;~ FileDelete($watchPath & "\" & $sFileName) If $iResult <> $IDOK Then ExitLoop ; If the user clicks on the cancel/close button. WEnd ; Close the search handle. FileClose($hSearch) Case 1 ; WAIT_OBJECT_0 + 1 ; ConsoleWrite('A directory was created, renamed, or deleted.' & @CRLF) Case Else ContinueLoop EndSwitch If Not _WinAPI_FindNextChangeNotification($g_ahObj[$iID]) Then MsgBox(BitOR($MB_ICONERROR, $MB_SYSTEMMODAL), 'Error', 'Unexpected error.') Exit EndIf WEnd