split « Operation « Java I/O Q&A





1. Java File Splitting    stackoverflow.com

What will be the most eficient way to split a file in Java ? Like to get it grid ready... (Edit) Modifying the question. Basically after scouring the net I understand that there are generally ...

2. Java: splitting the filename into a base and extension    stackoverflow.com

Is there a better way to get file basename and extension than something like

File f = ...
String name = f.getName();
int dot = name.lastIndexOf('.');
String base = (dot == -1) ? name : ...

3. How to split huge GML file in Java?    stackoverflow.com

I have already an operational application but which convert gml to shape. The requirement of the gml file size to be supported was increased to 2GB. Upon execution, OutOfMemory exception occurs. Any guidance on ...

4. Can I split my Selenium tests in multiple files ans still use the DriverRunners?    stackoverflow.com

I have been working on a Selenium 2 Project for quite some time with good success. However, one issue is holding me back. With my current project architecture all my tests ...

5. How to split a file into tokens    bytes.com

Hello Everybody I'm working on a Java program that splits a File into tokens, first i split it one word then 2 words and 3 words. i already did the one ...

6. Splitting a file into parts.    coderanch.com

If you want us to help you with how, you'll need to tell us more detail about what you want to do. How will the software know where to split the file (after so may characters? when a specific pattern is encountered? some other way?) and the structure of the incoming file. You will also need to let us know how ...

7. splitting files urgent....    coderanch.com

hiee.. i have a database of some 4000 lines i would like to split them into diffrent files according to there first six charcters and store them to a seperate file..for example... abcdef abcdef .........let this be of 100 lines .. bdefgh bdefgh ...of 300 lines i should split the files according to starting 6 lines...hope i could get the replay ...

8. split an xml string using xpath?    coderanch.com

i have a need to split up an xml string. i have string such as (simplified example): foo bar my app needs to process the item(s) in that xml. so i'd like to get a list of the item's as xml, such as: foo. if i use xpath on the nodes (jaxen), i get a ...

9. Splitting Files    coderanch.com

I'm working on a task where I'm going to have to split files that are approximately 1 GB into multiple smaller files and then reassemble them at a later date. I've looked at sample code to do this using the standard API and can implement something along those lines if necessary. Still, it seems like it's such a common task that ...





10. how to split file after it retched to defind size?    coderanch.com

Hello all im creating simple log file with : msgOutputStream = new PrintWriter(new FileWriter(msgLogFile, true), true); msgOutputStream.println(new Date() + "\t" + someTestVar); how can i detect that the file im writing to is reached for example to 5 mega and now i like to close it and open new file with extension of "_1"to write to ?

11. How to split a file in java    coderanch.com

HI All i have a text file which is of size 6 mb,which i need to send across net. so i want to split this file in 2 files, which is of 3mb each. can any one suggest me How can i split a file in java when its size is more than say 6mb.

12. splitting string into 2 variable    coderanch.com

i manage to read a textfile with my program which is a string that looks like this: stuck in a hole in the backyard;60173317358 i want to save stuck in a hole in the backyard in variable x and 60173317358 in variable y. can anyone tell me how to do this? thanks in advance

13. Huge file splitting?    coderanch.com

Hello, I have a very big (12MB) zip file. My question is 1. I want to split(not extracting) this file into 6 file. Is it possible. if yes, how? 2. After splitting(not extracting), Again I want to join all the files into single file. Please let me know Thanking You Regards, Edward

14. how to split file?    coderanch.com

Split import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import javax.swing.JOptionPane; public class SplitFile { int FRG_FSIZE=0; public File[] splitFile(File source,int noFile,int lsize) { FRG_FSIZE = 1024*5; File[] fileFragments = new File[noFile]; String[] frgfName = new String[noFile]; try{ String sourceFName = source.getName(); long sourceFSize = source.length(); FileInputStream fis = new FileInputStream(source); String Fileinfo = new String(sourceFName + "," + String.valueOf(sourceFSize)); System.out.println(noFile); if (lsize ...

15. File splitting with Java..Help    coderanch.com

i need to split a file into several files, each having the same header/trailer as the orignal file, but each file only having 450 lines(including header and trailer so 448 lines from the orignal file). for ex if there are 900 lines in the original file, that would be 3 files, file 1 with header/trailer from Original, and 1 to 448 ...

16. Best Approach to split a file into chunks    coderanch.com

Hi , can some one tell me what would be the best approach to split a larger file into chunks and i was thinking that multithreading would give a better performance. I got this approach in my mind : Algo: 1. Read the Size of the file. 2. Create 'n' threads such that size/n = 250MB 3. Start all the Threads. ...





17. Is there any free libraries avaialble for file splitting usiong java??    coderanch.com

How about the core API, with FileInputStream and FileOutputStream? Read from the FileInputStream and copy to the FileOutputStream. Then, when you've written 1GB, close the FileOutputStream and open a new one. Pasting them together is similar. Copy all contents from the FileInputStream to the FileOutputStream. Then, when the FileInputStream has been read, close it and open the next one, writing to ...

18. split a file to original files    coderanch.com

hi. I am writing a program to copy all the file content to a single file and split the single file into the original file. Eg: >> raju.txt >> document.rtf these are my 2 files. I am able to mix them successfull, ie., copy the contents of the file to a file >> output.dat file, by adding some identifiers like starting ...

19. How to split a file into 2?    java-forums.org

this is for a school project, and this program is suppose to be in 2 files, using the "set" and "get" things,,, but I still haven't really understood them. I coded my program in a single file and i need help on how to split it into 2,, the code works just fine. and the "CurrentDateTime" class is working just fine. ...

20. Split files    forums.oracle.com

Ok... you have to subclass java.io.OutputStream. Override public void write(int): 1. each time write is invoked, increment a private long field in your OutputStream subclass (representing the number of bytes written in total) 2. each time write is invoked, check its value: if (myField >= MAXIMUM_FILE_LENGTH) { //open another file and write to it }

21. Java File Splitting    forums.oracle.com

We're working on a distributed file processing project. My friend told me we can split files using a command in Java. I searched for it but found no such command. It's not like splitting a text file according to the number of characters, but splitting any kind of file into smaller pieces. Is there a command for that in Java or ...

22. Splitting file contents ....Help!!    forums.oracle.com

This file contain records of 10 or more people. I have a script that picks up this file from an ftp server. Each time I pick up this file, it comes in with a new record, or even two new records added to the records that already exist in the file. My job is to extract the latest records from this ...

23. File splitting    forums.oracle.com

Hi, We're working on a distributed file processing project. My friend told me we can split files using a method in Java. I searched for it but found no such method. It's not like splitting a text file reading it line by line, but splitting any kind of file like, say, movie/music/picture into smaller pieces. Is there a method for that ...

24. Not able to split a file    forums.oracle.com

} <\code> Now,the problem is still not solved.I am still getting 5 files after running the above code.But only the 1st file is proper and opening.When I look into the properties of the 1st file,it "opens with" notepad.The remaining 4 files I am unable to open.When I look into their properties,their "opens with" property says "unknown".My source file is a text ...

25. how to split a .java file    forums.oracle.com

you know, an application may contain several .class files. i want to split them into two parts. one part is on client side, the other one is on server side. after the client downloading the server part, he can execute the application. i m trying to split one or two .class files into two chips. Then the client can download the ...

26. splitting a file name into parts    forums.oracle.com

Hai, I want to rename a file to have a different extension, but I can't find anything in java.io. This is my Actual String String actualfile =" AH512bce80e642c58d39958cae95a19346.jsp" I would like to split the file name only not extension. i want to add the new extension that is .ivwr instead of jsp. I was try String funtion also... but i cant ...

27. splitting java program into two files    forums.oracle.com

my program started to get big - so I wanted to split some of the utility methods into a second file. I looked at some other peoples code and it looked straightforward.... but I have obviously missed something in Java or NetBeans. They seem to be able to set "global" or importable constants so their names dont't need to be fully ...