1. Delete file coderanch.comOriginally posted by James Steblay: In my program, I open a file and after processing try to delete it. It will not delete. When I try to delete it mannually, it tells me it is being used by my program. I close the file readers in my program, what else can I do? Thanks |
2. Delete Files Older than 'n' days coderanch.comCreating a Calendar object would be convenient, because that would make it easier to add the 30 days and see if that's before your cutoff time. However if you already have a Date object that represents the cutoff time for deleting files, it would be more straightforward to produce a Date object from that long value. |
3. why the files are not deleted and not renamed? coderanch.comhere is my code , the problem is the files are not deleted and not renamed. filePath="c:/abc.txt" this filePath will be passed as parameter from another method by calling this method public viod savefiles(OutputStream saveStream String filePath)throws Exception { try{ FileOutputStream fos = new FileOutputStream(filePath); saveStream.writeTo(fos); fos.flush(); fos.close(); String renamefilename=""; int filelength=filePath.length(); renamefilename=filePath.subString(0,filelength-7); renamefilename=renamefilename+"efg.txt"; File f1 = new File(filePath); File f2 ... |
4. files are not beened deleted and renamed coderanch.compublic class renameFiles { /** * DOCUMENT ME! */ public void Fliesrenamed() { String Path = "C:\\sefl\\pdf"; String newname = ""; String newfilepath = ""; File f = new File(Path); try { if (f.exists()) { System.out.println("File exsists"); String[] fileslist = f.list(); System.out.println(fileslist.length); for (int i = 0; i < fileslist.length; i++) { System.out.println(fileslist[i]); if ((null != fileslist) && (fileslist[i].substring(fileslist[i].length() - 4, ... |
5. Problem in deleting the file..... coderanch.com |
6. why cannot delete file coderanch.com |
7. Deleting a File coderanch.comI'm just guessing here, but maybe it's been... deleted? As if you've deleted a file and also emptied the trash. It's gone. Java doesn't necessarily know or care how to collaborate with the Windows garbage can. At least it doesn't under Windows 2000 PRo; I don't know about other systems. If you want to be able to recover a file later, ... |
8. Deleting a file coderanch.com |
9. delete a hidden file coderanch.com |
10. Phasing problem with File.delete() coderanch.comHi, Some times file.delete() method is not working.Its not deleting file from folder. Actually , i am creating one tmp file, writing into tmp file and deleting actual file and rename tmp file to actual name. In this case , some time delete method is deleting file, some times its not deleting. Please help me in this. Thanks in advance, Mahendra ... |
11. File Deletion coderanch.comThe "getAbsolutePath()" should have printed the entire path from the root. Are those exactly the files you expected it to find? If so, then the "false" means that the JVM tried and failed to deleted the files. It could be a permissions issue, or you could be on Windows, where deleting an open file will fail. Since you said this is ... |
12. how to delete th file after some specified time.? coderanch.com |
13. File is not deleted by my code dont know why coderanch.comMy code: --------------------------------------------------------- String deleteString = e.getPath(); File deleteListFile = new File(deleteString); deleteListFile.delete(); ------------------------------------------------------------- so to talk you through it, the File object is obtained by the results by system.out.println (not shown here) ...and then I am getting the path of the file by using getpath() then i want that file path and its file deleted, but wen i go check ... |
14. About deleting files using listFiles() coderanch.comHiall, I have this peace of code for deleting files- private void deletePreviousLogFiles() throws IOException { // getting abstract pathname of the log file. final File myFile = getLogLocation("log4j.properties", "log4j.appender.my.File"); final File[] path = myFile.getParentFile().listFiles(); if (path.length != 0) { for (File file : path) { if (file.isFile()) { file.delete(); } } } } private File getLocation(final String fileName, final String ... |
15. write to a file without delete it (noob question) coderanch.com |
16. How to delete the file with space in name? coderanch.comHi I want to delete the file "test ex.txt" file. i run the following command in command prompt.i can delete the file successfully. /bin/rm -f /mnt/"test ex.txt" I want to run the command from java.So i am using the following code String cmd = "/bin/rm -f /mnt/\"test ex.txt\""; Runtime rt = Runtime.getRuntime(); process = rt.exec(cmd); The file was not deleted. How ... |
17. How to delete an object which is seraliazed from the file coderanch.com |
18. how to delete or modify the data in file.(not the total file) coderanch.com |
19. files are not delete coderanch.comA friendly place for programming greenhorns! Register / Login Java Forums Java Java in General files are not delete Post by: Rajesh vamisetti, Greenhorn on Dec 27, 2009 23:50:16 i hava some file in diffrent folder in that files are not delete in windows o/s The same code is woking file in linex Please help me if any one ... |
20. delete content of file from java coderanch.com |
21. Trouble with File delete() method on Win XP coderanch.comI have a large project that is built using ANT (all of which I inherited). During the build a temp directory is created and several jar files are copied there from other projects. The problem started with the ANT 'clean' target not being able to delete these files. So I wrote a couple of lines of Java which open the temp ... |
22. Created File cannot be Deleted coderanch.comIf I use code to create a file the file cannot be deleted with code. There are no exceptions thrown. If I manually create the file if delets fine. My create code: public void setCheckForFile(String folderName){ String filePath = folderName + "/DPDMconfig.properties"; boolean exists = (new File(filePath)).exists(); if (exists) { this.errorString = "NoError"; } else { try { File file = ... |
23. Can i forcefully delete a file coderanch.com>> Can i forcefully do a delete operation even if it is read/Write by someother stream Through java .. I dont think you can do this. If the OS allows it.. then you can delete by executing OS command using Runtime.exec >> Actaully while deleting i dont know which all stream are linked to that file so can I get associated ... |
24. file.delete works most of the time, but fails every so often coderanch.comhi all. i'm not sure why this erratic behavior is happening. my program downloads zip files from an ftp server, unzips them to a temp directory, processes the text files in the temp dir, and then finally cleans out the temp directory. About 95% of the time, it's able to clean out the temp directory successfully, but every once in a ... |
25. Multiple Date Files Deletion coderanch.comTo Delete Multiple Files which are named with dates. Like today is 27th, i have to delete all log files which are more than seven days old. i have written code in java to change date but how to delete multiple files in one instance? have i to use only file.delete() and to make loops around it or is their any ... |
26. Delete a file in java coderanch.com |
27. not able to delete file coderanch.comHi all. I am trying to do some operation on file. In which a file is written in other file leaving some line. Then that new file is renamed to older file. But that is not happening with ma code. can any one find where i went wrong. The code is below try{ int ct=0; for(int i=0;i |
28. Can File.exists and File.delete have a race condition? coderanch.comIt depends on the file system, but assume there is no synchronization. If one thread or process* deleted the file mere nanoseconds after File.exists() has returned true the file no longer exists even though your program thinks it does. This isn't something you can do much about I fear. * After all, the file can also be deleted from Explorer, or ... |
29. Deleting an Object from a file. coderanch.comI have two method. One method will writing the object into a file and another method will read the same file. I want to delete an object after reading it from the file. So that when I read it next time, it will get the next object in the queue. However I don't want d flip the temp file. Can someone ... |
30. Delete file from linux/unix that has non-printable characters coderanch.comthis seems simple enough, but for some reason it is stumping me. I am simply trying to delete all files from a directory. My problem is that when a filename has an unprintable character it does not delete the file since it converts it to a ? . When i do an ls -b is see the the octal code is ... |
31. How to delete the content of a file coderanch.com |
32. Issue in Deleting File in Java coderanch.com |
33. Couldn't delete all files older than X days coderanch.comHi Everyone, I have downloaded this segment of code to delete all files including subfolders that are older than X number of days but have got stucked on line 25: public class MassDeleteOldFiles { public static void main(String[] args) { MassDeleteOldFiles massDelOldFiles = new MassDeleteOldFiles(); massDelOldFiles.deleteFilesOlderThanNdays(30,"C:\\Test\\"); } public void deleteFilesOlderThanNdays(int daysBack, String dirWay) { File directory = new File(dirWay); if(directory.exists()) { ... |
34. File Deletion, and problems with overwriting instead of adding to file. coderanch.com/** *All of the below takes place inside the onMessage() method which is native to PircBot API *The first part writes the command(and appends the sender for later use)to pmList.txt *The second is for delivery and removal of the message after deliver (or not, as the case may be) **/ if(message.startsWith(".pm")&&message.substring(3).startsWith(" ")){ try{ FileWriter pmList = new FileWriter("pmList.txt"); BufferedWriter out = ... |
35. Deleting multiple files at one go coderanch.com |
36. file could not be deleted coderanch.comFile sourceFileLocation = new File("xyz.gif"); if(!sourceFileLocation.delete()){ LOGGER.error("File could not be deleted."); } Above is a code snippet of my file parsing code. Please consider following points. - It reads files from specific location from my local, it saves the file into byte[] and save it into database and at last delete the file. - I tested it with one file and ... |
37. file Deletion coderanch.com |
38. Best way to delete all files with a prefix? java-forums.orgAre the files in a specific folder? Are you trying to delete the entire folder? Or do you want to only delete specific files? Regardless, check out the file.listFiles() method. If the "file" specifies a directory, the returned list is a File array of ALL files in that folder. From then, you can run a loop and delete only the files ... |
39. File Not Deleting java-forums.orgHey guys, I've been looking at this for hours and can not determine what or why some of the code is holding a lock on the file. The code's intention is to go through a file and do a regex on the file replacing certain text. The problem is, I create a temp file and put my results in it. Once ... |
40. File deletion won't work java-forums.orgpublic static void deleteOrderFiles() { String filepath = SAVE_DIRECTORY+SAVE_DIRECTORY_ORDERS; java.util.List |
41. New File.delete() problem java-forums.orgI had a problem with deleting my files before which I made another post for, this is not that problem, but if you want some background info you can read this: File deletion won't work When my program has no files to load, it creates new ones and can delete them fine. My problem happens when my program has files to ... |
42. Deleting specific chars from a file java-forums.orgWe dont know how your file/line looks like, so we cant give you the right answer. But if (line1.equals("PRODUCT-NAME-IN")) only returns true if the line is 1:1 like "PRODUCT-NAME-IN" You could use contains("-") to check if the line contains a minus sign?! Or you could use matches(..) with a correct regular expression ?! Or Pattern and Matcher classes, or the Scanner ... |
43. Deleting Files Using Java! java-forums.orgHello everyone! As some people may know, I am creating a register user program. Now I would like to be able to delete accounts. And with that I mean that I wanna be able to delete text files. I was a little unsure if I should have created this thread in the "Advanced Java" part of the forum, but I will ... |
44. Delete last character of a file java-forums.orgHi, I must delete the last character of a text file BUT if the last character is a newline character or a carriage return, I WANT TO DELETE THE NEWLINE CHARACTER. I am using readLine() and a BufferedReader but I believe readLine() doesn't read newlines? Let me know how I can do this. Thanks |
45. cannot delete file. java-forums.orgimport java.awt.AWTException; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.ObjectInputStream.GetField; import java.nio.MappedByteBuffer; import java.nio.channels.FileChannel; import java.nio.charset.Charset; public class example { public static void main(String[] args) throws InterruptedException, IOException, AWTException, LexicalError{ String s = fileToString("c:\\1.txt"); File f = new File("c:\\1.txt"); f.delete(); // DOESNT WORK } static String fileToString(String path) throws IOException { FileInputStream stream = new FileInputStream(new File(path)); try { FileChannel fc ... |
46. Troubles with deleting files java-forums.orgHi guys, I wrote a program that removes a line from a CSV file, and it does this by writing everything out to a temp file except for the line I want to remove. Then, it simply deletes the original file and renames the current temp file with the original file name. The problem when I step through with the debugger ... |
47. File.delete() forums.oracle.com |
48. Deleting Files forums.oracle.com |
49. Problems trying to delete some files forums.oracle.comI came across the same issue with not able to delete some of the files my application created. Only thing I could figure out was this issue arises when there is a Security Manager configured for this application and it has been denied access to delete (especially) files. The solution given to this was modifying server.policy file to give access for ... |
50. Deleting a file once it is closed forums.oracle.com |
51. how to delete a file without giving its name? forums.oracle.comhi mate if you mean that my query was vague and doesnt make sense i agree with you because i was confused and i dont know where is the problem. but from other side you have to know that there are to fields to ask about one is the logic and the second is debugging. and my query was on the ... |
52. Cant delete the file forums.oracle.comI have never used that api, but something is not clear to me in that example. I just had a quick skim of the API and I assume creating a FilePermission object tells the jvm that this file can have the associated action applied to it. I just wonder why you are creating a file from C:\DEMO.txt, but your permission is ... |
53. File Deletion forums.oracle.comThanks for your reply.I presume that you have understood what i am doing.Are you saying that the cancel button action listenser is not responsible for file deletion.I have tried to delete when the file has been encrypted and writen but its not possible to delete halfway through the encryption.Man can you please tell me how i set a flag in the ... |
54. File Deletion forums.oracle.com |
55. Need help to delete files (file.delete() not woking) forums.oracle.comYou're on Windows, aren't you? Make sure nothing's keeping a handle to your file open, streams, Windows explorer, that sort of thing. Also try calling System.gc() before deleting the files (please note: I've already had this argument countless times. Strictly speaking, no, one should never need to call gc explicitly, but it's a known workaround for a known issue, it works, ... |
56. I want to permanently Delete my files from my PC forums.oracle.com |
57. File.delete() Always Returns False forums.oracle.comI have seen the other postings about this elsewhere, but with no resolution. I have a class that compresses log files and then needs to delete the originals. I am explicitly closing the buffered in/out streams I'm using and the files are not read-only. I'm working in an isolated environment so no one or any other process should be locking the ... |
58. how to delete data from a file using IO package forums.oracle.comiam having some data in text file .ex:in flowrist.txt , 12/5/07,500,300,6000 like many set of datas are there.In these if i want to delete the data based on the date which i specified.How to do this specific deletion? You need to open a stream to read in the file and then use the indexOf method provided in the Sting class to ... |
59. Problem deleting file! forums.oracle.comassuming you've done the obvious "ensure all streams are closed" stuff, a possible "fix" for this - and I'm not promising anything - is to invoke System,gc() before deleting the file. this is down to a bug in various JVMs (esp. on windows). now, someone is about to reply with "you should never invoke System.gc()" or "this can't possibly work" or ... |
60. code help...deleting things off a file forums.oracle.comAntonio, Arrays have a static size. To resize an array you actaully have to create another array of the required size, and copy all the values from the old array to the new one... which is very expensive in both CPU and memory. If you need a variable size Collection then I suggest you use a Collection... maybe an ArrayList? Keith. ... |
61. Is it possible to delete things in a file? forums.oracle.comYou have a couple of options. * Read the entire file into memory and then rewrite the whole thing out, minus the things you're deleting. PrintWriter is an appropriate class if he file is line-oriented. * Define your own structure in the file, and use RandomAccessFile mark certain user "blocks" as unused in some header block. * Use a database, and ... |
62. how to delete a file using checkbox!!! forums.oracle.comi'm developing one project using the file operations implementations. I'm displaying the contents of the file in my jsp page. The first column i've putted a checkbox option and at last i've created the button. If i clicked that particular checkbox and then if i press the delete button then it should be able to delete the all check marked files ... |
63. deleting a file forums.oracle.comright. ignore my advice because it "shouldn't" work. don't bother actually trying it, just struggle with this forever because the workaround "shouldn't" work. despite the fact that I - and many other people - have had this problem, and fixed it with this, it can't possibly actually work. best not to try, just in case the universe melts or something OP, ... |
64. Problem regarding deleting & renaming RandomAccess File forums.oracle.comCan someone give me the syntax of how to delete & rename a RandomAccess File in Java. Suppose if I use boolean success = (new File("abc.dat")).delete(); I can delete the file "abc.dat" without any problem. But how can I delete if "abc.dat" is a RandomAccess File the code boolean success = (new RandomAccessFile("abc.dat")).delete(); is not working Regards Sayan sayan83@rediffmail.com |
65. Delete a file object? forums.oracle.comOk, ok, Let me try to explained. However, i do believe the previous two post are very clear. ok, yes we have a delete method for the file class. I understand this. I guess what im really trying to ask is what happens under the hood. What steps does the delete method take to delete a method? Is that clear enough? ... |
66. installed java and deleted the files---NOT ABLE TO INSTALL java AGAIN forums.oracle.comWith the info provided the best advice I can give is reformat your drive and start fresh. If that doesn't sound palatable, then you could maybe tell us at least what OS you are running and if you really want help the exact version of the OS. Then you can tell us what you have already tried. Like running the uninstaller ... |
67. How do i delete a record from file forums.oracle.comYou read the file in, then write back out only the stuff you want to keep. Or else you come up with a more complex file format where you have metadata that tells you which data is to be found where, and which parts of the file are used, and rules for reusing or compacting unused space, etc., at which point ... |
68. protect file from deleting forums.oracle.comhello,I have a text file I went to give this file the property to not be never deleted.How can I do this with javacode. I explain more: I have a javacode which create a new file then I went to send this file to a flash memory(copy this file for exemple) when user plugg in the flash memory and try to ... |
69. file.delete() not working properly forums.oracle.com |
70. why file not got deleted ? forums.oracle.com |
71. Delete Unzipped File forums.oracle.com |
72. Delete a File forums.oracle.com |
73. How To Delete A File???? forums.oracle.comOf course the GC call doesn't influence the OS, but some objects in the standard library seem to clean up file handles in their finalizers. Therefore forcing a gc() can (and usually does) cause those objects to be finalized and the respective handles being released ... It's ugly and in my opinion it's definitely a bug, but it is that way. ... |
74. Operations on file: Deleting and get size forums.oracle.com |
75. Outputting to files and deleting files forums.oracle.comNow, the ostream.write(10); in theory is supposed to go to the next line in the text file after it copies over all the information. I outputted to the console each character that was copied over from one file to the next and determined that the number 10 was the what took it to the next line. However, it won't let me ... |
76. Delete a file along with a portion of directoory forums.oracle.com |
77. file.delete() does not work for second file... forums.oracle.comI would like to delete some files from a directory, which files of the regarding directory is displaying on a JList. When I would like to delete a file of the directory, I select an item on the JList and click on the JButton 'Remove'. This button will invoke the method 'file.delete()' for the regarding file. Unfortunately, this mechanism works perfect ... |
78. delete a file securely forums.oracle.com |
79. how to delete the previous contents in the file forums.oracle.comIf you're talking about java.io.FileWriter or FileOutputStream, just read the API documentation what constructors it provide. If you can't even manage to find/read/interpret/understand the API docs, nor went through a Sun tutorial related to the API in question (there's an excellent java.io tutorial here at sun.com), then your question technically belongs in 'New to Java' forum, not here. |
80. Delete file if object written on it is not compatible forums.oracle.com |
81. How to delete a file? forums.oracle.comHi all, I've write a code where I can read a text from the original file and write the text into a temp file. After all have done, I need to delete the original file and rename the temp file to the original file name. However, I'm not able to delete the file. Can anyone help? Thank you v much. public ... |
82. Delete File Recovery forums.oracle.com |
83. Deleting from files code problems forums.oracle.com |
84. why this file doesn't get deleted forums.oracle.comOh finally I found that it was the ImageInputStream that I haven't close this now works perfectly thank you very very much for all the replys, I really appreciate you all for spending time on this problem really I've leaned many thinks about how to detect errors like use "Thread.Sleep" and use the explorer to ............. Thank you very much. Sun ... |
85. How to delete the file with space in name forums.oracle.comHi I want to delete the file "test ex.txt" file. i run the following command in command prompt.i can delete the file successfully. /bin/rm -f /mnt/"test ex.txt" I want to run the command from java.So i am using the following code String cmd = "/bin/rm -f /mnt/\"test ex.txt\""; Runtime rt = Runtime.getRuntime(); process = rt.exec(cmd); The file was not deleted. How ... |
86. how to refer and delete a file forums.oracle.com/* We will first check if firstFile.txt and secondFile.txt exists if not we create them. The first file will hold the data that represents the tries, and the second file will hold the saved secret number which is the number generated by the system and the number of tries which must be less than 10, otherwise the game will be over*/ ... |
87. Unable to delete the file. (Some times deletes and sometime fails to delet) forums.oracle.com |
88. File not getting deleted using File.delete() forums.oracle.comI want the file to be created inside the directory I specified. Hence, I put the "\". Please let me know if there is some other way to achieve this. This way I am getting the file created at the location I want. One more interesting thing which I noticed. Actually this code is part of a JUnit test. In the ... |
89. Removing or Deleting hexadecimal charaters in a string or file forums.oracle.com |
90. Help deleting a file forums.oracle.com |
91. unable to delete file forums.oracle.com |
92. File deletion using Java API forums.oracle.com |
93. Can't delete file! forums.oracle.com |
94. Create a file that cannot be deleted. forums.oracle.com |
95. Is there a simple way to delete a file? forums.oracle.comif (uploadedFile.exists()) { System.out.println("Uploaded File: " +uploadedFile); try { uploadedFile.delete(); } catch(Exception e) { System.out.println("There is An Error: " +e); } } The System.out gives me the path correctly, but the file doesnt get deleted Edited by: ikerosoft on Aug 27, 2008 7:40 AM Edited by: ikerosoft on Aug 27, 2008 7:41 AM |
96. Unable to delete a file forums.oracle.comAs you can see in many threads, people talks about a bug in some JVM implementations preventing files to be deleted even if you have closed any stream related to it. I tried many times to delete files to no success until I read some posts advising to use the System.gc() method to destroy any object previously closed (but presumably still ... |
97. Help! Failed to delete File forums.oracle.comJust seems odd, I've never heard of a File object keeping a file locked, nor is there any mention of it in the javadocs for java.io.File, and whenever this question comes up - which is fairly often - nobody has ever mentioned it before. Doesn't make any sense, either, and I know I've managed to delete files and re-create them using ... |
98. Problem In Deleting file forums.oracle.comWhen I call fileone.exists() It is returning true. But I am unable to delete file even after calling fileone.delete(); There are some tabs in Swings. From deletion tab I am trying to delete. But I am unable to delete. I tried to delete the same file from a simple Java file I am able to delete it. Is there any lock ... |
99. concerning force deleting of files forums.oracle.com |
100. Stroring certain details in a file, But Could not delete the File. forums.oracle.com |