1. Is there an equivalent of BufferedReader.readLine() that lets me pick what my end of line characters are? stackoverflow.comThe Javadoc for BufferedReader.readLine() says: A line is considered to be terminated by any one of a line feed ('\n'), a carriage return ('\r'), or a carriage ... |
2. how to delete a particular line from random access file stackoverflow.comI am using a random access file in which i want to delete a line which satisfies some condition like if i have records MCA 30 MBA 20 BCA 10 now my requirement is if ... |
3. GZIPInputStream reading line by line stackoverflow.comI have a file in .gz format. The java class for reading this file is GZIPInputStream. However, this class doesn't extend the BufferedReader class of java. As a result, I am ... |
4. Eliminating the new line when using BufferedReader method to get user input using Java stackoverflow.comIn this first assignment I have to have the user input some number (ex: 312) then add each number and output something like: "The numbers are 3 1 2 with the ... |
5. FileInputStream and FileOutputStream line by line stackoverflow.comFileInputStream reads all bytes of a file and FileOutputStream writes allbytes to a file which class do i use if i want to read all bytes of a file but line by ... |
6. How to detect first and last line during reader.readLine()? stackoverflow.comI am reading each line of the file in the below way
I want to do some validation in the first ... |
7. Read multiple lines from InputStreamReader (JAVA) stackoverflow.comI have an InputStreamReader object. I want to read multiple lines into a buffer/array using one function call (without crating a mass of string objects). Is there a simple way to ... |
8. Question about Java File Reader stackoverflow.comI'm having some problems with the FileReader class. How do I specify an offset in the lines it goes through, and how do I tell it when to stop? Let's say I want ... |
9. how does BufferedReader keep track of what line has been read? stackoverflow.comI'm reading lines from a file, and I believe that once I've read all the lines, I get an exception because of my while loop condition.
|
10. Read the first line in a stream and remove it from the stream stackoverflow.comI have 2 classes who must read an |
11. BufferedReader seems to only read last line of file stackoverflow.comI'm trying to write a method to take a multiline tab-delimited file and return the contents of that file as an arraylist of String arrays (each line is a String[], and ... |
12. modified BufferedReader to ignore last line stackoverflow.comI want to use something like BufferedReader to read lines from a file but if the last line in the file does not end with a newline character, I would like ... |
13. Can BufferedReader (Java) read next line without moving the pointer? stackoverflow.com
the While will read ... |
14. Fastest way to read a file line by line with 2 sets of Strings on each line? stackoverflow.comWhat is the fastest way I can read line by line with each line containing two Strings. An example input file would be:
|
15. Random Access file seek operation line by line in java stackoverflow.comI have large text file in a sorted form. I want to search records and insert new record in this file. For searching binarySearch looks better choice but to implement ... |
16. waiting for a new line when working with StreamTokenizer (java) stackoverflow.comHi when i reach the end of the line with StreamTokenizer, how can i make it wait until i have received a new line from the streamer? i used:` ... |
17. Reading next line InputStream Java stackoverflow.comI have an InputStream that would read from a text file. I noticed that the input stream doesn't read from a blank next line. Sample text file:
The code:
|
18. Why is the first line of a file note read with BufferedReader? stackoverflow.comI guess this will sound crazy, but I am reading from a file, and it seems like it skips the first line of the file. What is going on? Here is the source:
|
19. InputStreamReader should end if there are no more lines stackoverflow.comGot an InputStreamReader (which is combined with a BufferedReader). I want to read the content of the Stream in a loop
|
20. Remove first line from delimited file stackoverflow.comI have a delimited file which can contain around millions of records , now I want to delete the first line from the delimited file before processing it further. The length ... |
21. BufferedReader.readLine() cuts off beginning of the line stackoverflow.comI have a problem with reading a file.
|
22. Append a specific line BufferedReader java stackoverflow.comI want to find a specific line in a BufferedReader which contains, for example, "Result" and store the entire line in a string variable, then print out the string. Is there ... |
23. Remove new line when using printwriter stackoverflow.comI am trying to print out any changes that is appended at the end of a log file, similar to tail log. But when printing it out with printwriter it will ... |
24. Java : I want to get the line number of the line where output stream has written the data in a file stackoverflow.comI am trying to write some data to file using Buffered Writer. I have requirement to create an index file with some time stamp and line number. For this I require ... |
25. How to read in txt file with multiple Lines of Strings stackoverflow.comI'm trying to make an array of strings using a list of names coming from a txt file. So for example: If I have string[] names = {all the names from ... |
26. Reading a field in a line divided by tabs stackoverflow.comI have a text file of lacs of line and a single line is in the format as follows:
I want ... |
27. Java FileWriter how to write to next Line stackoverflow.comI used the code below to write record into a File. The record can be written in the file, but is append in one Line, each time I call this ... |
28. New Line in File Writer From Existing Multi-Lined String stackoverflow.comI am trying to output a multi-line string to a file using FileWriter. How can I make it recognize the lines and automatically use "output.newLine"? Example String static String ... |
29. How to output string lines from a file by using recursion and streams in Java stackoverflow.com
Those string lines are from a file called "input".
How to ouput those string lines in reverse order to a file called "ouput" by using input, output stream ... |
30. Can RandomAccessFile pointer point to specific line? coderanch.comIn looking at the specs for RandomAccessFile, I see that you can place the file pointer at any point in the file by specifying which byte you want to point to. I need to be able to position the pointer at the start of a specific line. I do know how many lines the file has, but not how many bytes, ... |
31. To read a line, how to use InputStream instead of BufferReader ? coderanch.comAssuming that you don't want buffering, or any fancy stuff like that... public class myInputStream { private static final int _CR = 13; private static final int _LF = 10; private int _last=-1; // The last char we've read private int _ch = -1; // currently read char private InputStream in; public myInputStream(InputStream i) { in = i; } /** Read ... |
32. could we ignore few lines from an BufferedReader input stream coderanch.comhi everyone, is it possible to ignore few lines from input stream and make the fourth line as the start of the document. i am working on reading an soap file. i want to ignore HTTP messages from it and start the document as XML to enable parsing. are there any solution, so that my input stream reads only xml messages ... |
33. Stream for reading and deleting line coderanch.comThere's really no single stream that can do this. What you'll probably have to do is read from one file and write to another. For each line that you read from the first file, after reading it you decide whether or not it should be copied to the new file, and then either write it there, or don't. After you're done ... |
34. Line break for fileOutputStream coderanch.com |
35. When Reading a Webpage using an InputStream, some tags and lines are skipped.. why? coderanch.comWhen Reading a Webpage (from a URL) using an InputStream, some tags and lines are skipped.. why? My code is below. To test this out, try using http://www.braille.org as the URL. You will notice it totally skips the TITLE tags and even the BODY tags as well as a few others. Why is this happening? Any workaround for this? try{ URL ... |
36. Starting a new line with FileWriter class coderanch.comI created a simple test for FileWriter class, here's the code: import java.io.*; public class WriteAFile { public static void main(String[] args) { try { FileWriter writer = new FileWriter("WriteAFile.txt"); for (int num = 1; num < 11; num++) { writer.write("This is line " + num); } writer.close(); } catch (IOException e) { e.printStackTrace(); } } } The problem is, it ... |
37. BufferedReader.readLine() skips lines coderanch.comHi All, I'm reading a file using BufferedReader.readline(). I've noticed that the formatting of the file you're trying to read has to be spaced by carrage returns!! Is this correct behaviour? My Code is: FileInputStream inStream = new FileInputStream(aFile); InputStreamReader inReader = new InputStreamReader(inStream,"unicode"); BufferedReader inBuf = new BufferedReader(inReader); String line; int recCount = 0; while ((line=inBuf.readLine()) != null) { line ... |
38. How to Go to a new Line using RandomAccessFile coderanch.comNeed help, i have opened a file using RandomAccessFile in readmode and i have saved file length when file was first read, now the file is updated i.e. new lines are added to file which are written line by line . Now i want to go to updated data i.e. to new lines added to file without reading the file from ... |
39. ByteBuffer deliminating by new line coderanch.com |
40. new line break in random access file coderanch.commy intention is to read name ,age and address from 3 different files and write this as a single record to a output file.Don't know how can i give a newline break between two records.I tried but not getting proper result //This program will read name,age and address from name.txt,age.txt,address.txt respectively //and write them in finals.txt import java.io.*; class RandAccess { ... |
41. How to remove blank lines from the InputStream coderanch.comhi I need to develope the below function with out using String .. please guied me Public InputStream removePrefixedSpaces(InputStream is){ // As response xml is prefixed with the spaces , //Need to remove the spaces which are prefixed , other wise not able to do parsing. } I have implemented this part Like below Public InputStream removePrefixedSpaces(InputStream is){ String in=is.toString().trim(); ByteArrayInputStream ... |
42. FileReader / BufferedReader will only read the first line from the file coderanch.comHi, I have a problem with the following code, only the first line of text in the file is read and returned. Code: public String readStringFromFile(String fileName) throws IOException { File file = new File(fileName); FileReader fileReader = new FileReader(file); BufferedReader bufferedReader = new BufferedReader(fileReader); StringBuffer stringBuffer = new StringBuffer(256); String line = bufferedReader.readLine(); int i = 0;// TODO remove , ... |
43. read lines from Writer write method coderanch.comWhen I include the code for reading input, it just stops working, looks like it is waiting for user's input and it doesn't read what's printed by Writer class. The problem is that the class (jar file) I'm using is compiled and I don't have source code, so I cannot just change methods. |
44. Java IO stream line break problem coderanch.com |
45. PrintWriter writing not more than 1050000 lines coderanch.comHi I have a program which is supposed to write huge data to a file. However when I open the output file, I can find only 105000 lines. There were no exception during the execution. Here is my code: File bFile = new File("D:\\test1.txt"); try{ out =new PrintWriter(new BufferedWriter(new FileWriter(bFile))); }catch (Exception e){ e.printStackTrace(); } /* Write 2100000 lines*/ for (long ... |
46. Line based access with RandomAccessFile coderanch.comThis isn't very useful, because the point of a RandomAccessFile is to provide, well, random access. If you need to find the number of lines in a file, whether you do this with a Pattern or otherwise, you still end up reading the entire file up to the point you want to jump to. Simply wrap the file in a Scanner ... |
47. Last line not being written to the file on using BufferedWriter coderanch.comHello All, I am facing a weird problem.I have a huge file containing 16000 rows.I am trying to split that file into 40 smaller files(400 lines each). However,when I do so the last line is not being written to the text file. Also,a part of the last but one line is not being written completely.I have no idea what is going ... |
48. Stringtokenizer - read String from *.txt files - How to read next Lines??? forums.oracle.comSo, you want to read a line, then process it, then read the next line, then process it, then read the next line then... etc. It sounds like you want to do the same thing over and over again. Do you know how to do the same thing multiple times? [http://java.sun.com/docs/books/tutorial/java/nutsandbolts/while.html] [http://java.sun.com/docs/books/tutorial/java/nutsandbolts/for.html] |
49. how to make BufferedReader reads many line of an Object?? forums.oracle.com |
50. java.io.*; program line won't import java.io.FileReader, Is this normal? forums.oracle.comHello, I was just playing around with FileReader / BufferedReader and noticed that although my java\io\ directory contains all the correct files, using - import java.io.*; will not allow me to use the FileReader class, i must include the import lines - import java.io.FileReader; import java.io.BufferedReader; // to use the BufferedReader Just wondering if this is normal? No biggie as i ... |
51. BufferedReader - reading in a line forums.oracle.com |
52. how to add more lines to an early created file using FileWriter forums.oracle.com |
53. Can we use System.getProperty("line.separator") with a FileInputStream forums.oracle.comSo I would probably have to pull apart the get method in the jar and try to figure out how it is creating the file on the destination to implement your solution? Not sure if I am up to that task but I will take a look at it and see if I understand it. Thanks for the suggestion. |
54. file writer, not writing a new line between notes forums.oracle.com |
55. Breaking lines for PrintWriter forums.oracle.com |
56. Why can't I get a new line using PrintWriter forums.oracle.com |
57. reading seperate lines in an InputStream forums.oracle.comI'm trying to save data in a file and I'm having no problems in a FileInputStream using append(). However I'm going to be pulling a lot of information from that file and based upon information saved on separate lines. I tried using readLine(), however I can't target any particular area of the file, is there a separate function that can do ... |
58. BufferedWriter and Blank Lines forums.oracle.comHi, In a method im using BufferedWriter(FileWriter) to write some simple output to a file. Each time I call the method I open and then close the BufferedWriter. Is it possible to tell the BufferedWriter to go to the next blank line before it starts writing? Currently each time I write to copies over the current file contents. Thanks for your ... |
59. RandomAccessFile - specific line forums.oracle.comYou have to specify a pointer value as an byte offset from the file beginning. If all of the lines are of the same length, then your code can calculate the pointer value that matches a line beginning. If the lines are not all the same (known) length, then the answer is no. |
60. bufferedreader:- how to read next line? forums.oracle.com |
61. How to write a new line using PrintStream class forums.oracle.com |
62. File Reader that can read line by line contents forums.oracle.com |
63. Reading line by line from process by using bufferedreader with getRuntime() forums.oracle.com |
64. Read specific line with random access file forums.oracle.comHi guys, I'm trying to read certain token from a line(say 3rd line from end). yesterday somebody suggested me to try with random access file. But I couldn't find a way to do it by that clas. seek() method take me to the certain position in that line. but first I need to go to that file. Right now at first ... |