Einouterror I/o Error 32
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Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each delphi assignfile other. Join them; it only takes a minute: Sign up Why do I get I/O error 32 even though the file isn't open in any other program? [closed] up vote 0 down vote favorite I'm trying to write a line to a text file in Delphi 7 with the code below, but it gave this error: "Raised Exception Class EInOutError with 'I/O error 32'" AssignFile(trackertxt, 'tracker.txt'); ReWrite(trackertxt); WriteLn(trackertxt, 'left'+':'+':'); CloseFile(trackertxt); It's not being used by any other application, yet it still gives error 32. (Also need it to overwrite the current content in the text file). delphi text-files ioerror share|improve this question edited Apr 29 '13 at 22:25 Rob Kennedy 130k13191354 asked Apr 29 '13 at 20:49 Penian4 1252213 closed as not a real question by David Heffernan, ldav1s, Frank Schmitt, Jean, Derek 朕會功夫 Apr 30 '13 at 22:15 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question. 1 Which is explained many, many times over on many, many different websites. –Jerry Dodge Apr 29 '13 at 20:58 2 All the websites I've seen say to use W
Rewrite(MyOutFile); Now it gives me an "I/O error 32" (with the file existing or not). What is error 32? Where does Delphi hide its error code deciphering? What could be wrong? Thanks Danny Schoemann Dan...@dorotree.com Team Delphi Developer Fri, 19 Apr 2002 03:00:00 GMT Re:What is I/O error 32? In message <7vkfh5$4...@forums.borland.com>, Danny Schoemann stated: Quote> Now it gives me an "I/O error 32" (with the file existing or not). > What is error 32? 32 is a standard Windows error code indicating a sharing violation. You'll find the Windows error codes declared in Windows.Pas in the form ERROR_... -- Regards Ralph (TeamB) -- Danny Schoeman Delphi Developer Sun, 21 Apr 2002 03:00:00 GMT http://stackoverflow.com/questions/16287983/why-do-i-get-i-o-error-32-even-though-the-file-isnt-open-in-any-other-program Re:What is I/O error 32? Thanks Ralph. Your pointers helped us fix the problem. For the record, here's the story: After digging around the Windows.pas files and all other .pas files containing the word "sharing" I discovered that error code 32 is a generic code for any "undefined" I/O error. ( To quote commdlg.pas: "Note: Undefined return values map to OFN_SHAREWARN, but are reserved for future use.") By stepping and guessing we traced it to a line in a previous http://www.delphigroups.info/2/a7/334575.html function "RmDir(MyDirName)" that failed. Since we were not trapping IO errors with IOResult then all subsequent IO failed (as per help file - - "If an I/O error occurs and I/O-checking is off, all subsequent I/O operations are ignored until a call is made to IOResult. Calling IOResult clears the internal error flag".) Only RmDir causes this and not RemoveDir. So we are now using RemoveDir. Most of the time (all the time?) RemoveDir (and RmDir) fail. Not serious but peculiar. Thanks again - Danny Schoemann http://www.dorotree.com QuoteRalph Friedman (TeamB) wrote in message ... >In message <7vkfh5$4...@forums.borland.com>, Danny Schoemann stated: >> Now it gives me an "I/O error 32" (with the file existing or not). >> What is error 32? >32 is a standard Windows error code indicating a sharing violation. >You'll find the Windows error codes declared in Windows.Pas in the form >ERROR_... >-- >Regards >Ralph (TeamB) >-- Other Threads 1. 32 bit Pascal version & special O.S. 2. 32-bit Library with BP7 - Am I dreaming? 3. 16 bit vs 32 bit and rewrite and win32 api and I/O error 32 4. What OS am I in? 5. Error $2B, OS Error with TUtility.DLL (rebuilding) 6. Unknown internal error of OS (network error) 7. Delphi 32 - How much 32 bit? 8. Delphi 32 to C-32-DLL Problem 9. BDE-32 error / limitation 10. I/O error 32, opening an open file from a 3rd party package
= class(Exception); C++ class EInOutError : public Exception; File SysUtils Description EInOutError is raised when an file input/output error occurs, provided I/O checking is enabled. Note: In Delphi code, use the $I+ directive to enable I/O checking. http://docs.embarcadero.com/products/rad_studio/delphiAndcpp2009/HelpUpdate2/EN/html/delphivclwin32/SysUtils_EInOutError.html If an I/O error occurs while this directive is disabled, the application must call http://www.sql.ru/forum/1041855/einouterror-i-o-error-32-cherez-neskolko-chasov-posle-raboty-programmy IOResult to clear the error. Note: In C++ programs, I/O checking is a project option. The error code is available in the ErrorCode class member. Error codes are come in ranges: 0-99 (native OS errors) Error codes in the range 0-99 represent OS error conditions, which are different for Windows and Linux. Refer to the OS documentation i/o error for complete error summaries. The SysErrorMessage function returns descriptive text for OS errors. Here are some common OS I/O errors, arranged by rough equivalents in Linux and Windows: LinuxWindows Linux Windows Error Code Description Error Code Description 2 No such file or directory 2 File not found 3 Path not found 5 I/O Error i/o error 32 13 Permission denied 5 Access denied 20 Not a directory 21 Is a directory 32 Sharing violation Error codes in the range 100 to 149 represent error conditions raised by CLX. Here are the CLX I/O error codes: Error code Meaning 100 End of File 101 Disk Full 102 File variable not assigned 103 File not open 104 File not open for input 105 File not open for output 106 Error in formatted input 107 File already open Delphi Examples: Copy Code { Click the button to open a TOpenDialog, then select a file to delete. } procedure TForm1.Button1Click(Sender: TObject); var F: Textfile; begin OpenDialog1.Title := 'Delete File'; if OpenDialog1.Execute then begin AssignFile(F, OpenDialog1.FileName); try Reset(F); if MessageDlg('Erase ' + OpenDialog1.FileName + '?', mtConfirmation, [mbYes, mbNo], 0) = mrYes then begin CloseFile(F); Erase(F); end; except on EInOutError do MessageDlg('File I/O error.', mtError, [mbOk], 0); end; end; end; See Also IOResult EStreamError SysErrorMessage Copyright(C) 2009 Embarcadero Technologies, Inc. All Rights Reserved. What do you think about this topic? Send feedback!
2 âïåðåä Ctrl→ âñå EInOutError I/O error 32 ÷åðåç íåñêîëüêî ÷àñîâ ïîñëå ðàáîòû ïðîãðàììû [new] Jimmy.BV Member Îòêóäà: Ñîîáùåíèé: 32 Ïðèâåòñòâóþ êîëëåãè!Âêðàòöå: ïðîãðàììà îáðàáàòûâàåò ñòðîêè è ñîõðàíÿåò îáðàáîòàííóþ ñòðîêó ñ îòâåòàìè â ñòèíãëèñò. Ïîñëå íàêîïëåíèÿ â ñòðèíãëèñòå 200 ñòðîê îíè ñêèäûâàþòñÿ (äîáàâëÿþòñÿ) â òåêñòîâûé ôàéë. Ò.å. â íà÷àëå ðàáîòû ñîáèðàåì ïåðâûå 200 ñòðîê è ñîçäàåì ôàéë, äàëåå êàæäûå 200 ñòðîê äîáàâëÿåì â ýòîò æå ôàéë.Ïðîáëåìà â òîì ÷òî ÷åðåç íåêîòîðîå âðåìÿ ~4-6 ðàáîòû ïðîãðàììû. Ñíà÷àëà âîçíèêàåò ïðîáëåìà ïåðåïîëíåíèÿ ïàìÿòè: Òèï îøèáêè:EOutOfMemory Îïèñàíèå îøèáêè:Out of memory.À ïðè äàëüíåéøèõ ïîïûòêàõ çàïèñè â ôàéë: Òèï îøèáêè:EInOutError Îïèñàíèå îøèáêè:I/O error 32Ïðåäïîëàãàþ ÷òî äåëàþ ÷òî òî íåîïòèìàëüíî. (ñ äåëüôè äðóæó ñîâñåì íåäàâíî)Ñîõðàíÿþ è äîáàâëÿþ âîò òàêèìè ïðîöåäóðêàìè: procedure SaveTextToUTF8File(s,FileName:string); // Ñîõðàíåíèå òåêñòà â UTF8 ôàéë var f: System.Text; begin AssignFile(f, FileName); Rewrite(f); Write(f, UTF8Encode(s)); Flush(f); CloseFile(f); end; procedure AppendTextToFile(s,FileName:string); //Äîáàâëåíèå òåêñòà â ôàéë var f: System.Text; tmp: String; begin AssignFile(f, FileName); Reset(f); Append(f); tmp := Copy(s,Length(s)-1,2); if Copy(s,Length(s)-1,2) = #13#10 then //óäàëÿþ ëèøíèå ñèìâîëû ïåðåõîäà íà ñëåä.ñòðîêó, èíà÷å ïîÿâëÿþòñÿ ïðîïóñêè ñòðîê begin s := Copy(s,0,Length(s)-2); end; Writeln(f,s); CloseFile(f); end; 19 àâã 13, 10:04 [14724118] Îòâåòèòü | Öèòèðîâàòü Ñîîáùèòü ìîäåðàòîðó Re: EInOutError I/O error 32 ÷åðåç íåñêîëüêî ÷àñîâ ïîñëå ðàáîòû ïðîãðàììû [new] QEOS Member Îòêóäà: ìñê Ñîîáùåíèé: 575 ìîæåò îøèáêà íå ïàìÿòè?Error_32=The process cannot access the file because it is being used by another process. 19 àâã 13, 10:16 [14724155] Îòâåòèòü | Öèòèðîâàòü Ñîîáùèòü ìîäåðàòîðó Re: EInOutError I/O error 32 ÷åðåç íåñêîëüêî ÷àñîâ ïîñëå ðàáîòû ïðîãðàììû [new] QEOS Member Îòêóäà: ìñê Ñîîáùåíèé: 575 QEOSìîæåò îøèáêà íå ïàìÿòè?Error_32=The process cannot access the file because it is being used by another process.âñìûñëå.. âñÿ ïðîáëåìà ìîæåò èç çà äîñòóïà ê ôàéëó.. 19 àâã 13, 10:17 [14724164] Îòâåòèòü | Öèòèðîâàòü Ñîîáùèòü ìîäåðàòîðó Re: EInOutError I/O error 32 ÷åðåç íåñêîëüêî ÷àñîâ ïîñëå ðàáîòû ïðîãðàììû [new] Zalm Member Îòêóäà: Ìîñêâà Ñîîáùåíèé: 1892 Jimmy.BVÏðèâåòñòâóþ êîëëåãè! procedure SaveTextToUTF8File(s,FileName:string); // Ñîõðàíåíèå òåêñòà â UTF8 ôàéë var f: System.Text; begin AssignFile(f, FileName); try Rewrite(f); Write(f, UTF8Encode(s)); Flush(f); finally CloseFile(f); end; end; procedure AppendTextToFile(s,FileName:string); //Äîáàâëåíèå òåêñòà â ôàéë var f: System.Text; tmp: String; begin AssignFile(f,