parse « text file « Java I/O Q&A





1. Text File Parsing in Java    stackoverflow.com

I am reading in a text file using FileInputStream that puts the file contents into a byte array. I then convert the byte array into a String using new String(byte). ...

2. How to read several lines from text file into memory?    stackoverflow.com

I have a file with the structure like so: http://gamedev.pastebin.com/8iESYTVY
but it's much bigger in size, 233MB, how can I read blocks of lines, enough lines to

3. I want to parse multiple strings into variables from a .txt file in java. What's the easiest way to do it?    stackoverflow.com

What's the best way to do it? Should I use the File class and scanner? I've never done it before and cant seem to find a solid guide for it online ...

4. Parsing a text file in Java    stackoverflow.com

Example from input file:

ARTIST="unknown"
TITLE="Rockabye Baby"
LYRICS="Rockabye baby in the treetops
When the wind blows your cradle will rock
When the bow breaks your cradle will fall
Down will come baby cradle and all
"
The Artist, Title ...

5. how to parse text files, where order matters    stackoverflow.com

I'm having trouble determining a way to parse a given text file. Here is an entry in the file:

type = "book"
callnumber = "1"
authors = "a"
title = "t"
publisher = "p"
year = "2023"
each entry ...

6. Text file parsing using java, suggestions needed on which one to use    stackoverflow.com

I can successfully read text file using InputFileStream and Scanner classes. It's very easy but I need to do something more complex than that. A little background about my project first.. ...

7. Parsing a text file    stackoverflow.com

guys. I have a task and would like to hear your advice on implementation details. I have a file which contains information about clients and their accounts. FIRST_NAME=Joe
LAST_NAME=Bishop
RECEIPT.0.ID=123
RECEIPT.0.CURRENCY=USD
RECEIPT.1.ID=3654
RECEIPT.1.CURRENCY=EUR
.......................
CARD.0.TYPE=VISA
....................... FIRST_NAME=Peter
LAST_NAME=Swalsky
............... And so on. So ...

8. Java - Parsing Text File    stackoverflow.com

I have an input text file in this format:

<target1> : <dep1> <dep2> ...
<target2> : <dep1> <dep2> ...
...
And a method that takes two parameters
function(target, dep);
I need to get this parsing to call ...

9. How to parse a text file in java?    stackoverflow.com

I have a text file in the following url.

http://hosted.stats.com/ifb2009/data.asp?file=en/chlg_standings.txt
I want to parse this text file and display the data as groups, teams etc. Can anyone please let me know how to ...





10. Apache Tika: Parsing a text file omits last part?    stackoverflow.com

I am trying to parse a plain text file using Tika but getting inconsistent behavior. More specifically, I have defined a simple handler as follows:

public class MyHandler extends DefaultHandler
{
     ...

11. How to Read Time and Date from Text File in Java 5?    stackoverflow.com

I'm trying to read data from a plain text file using Java 5 SE. The data is in the following formats:

10:48 AM
07/21/2011
I've looked into DateFormat and SimpleDateFormat, but I can't figure ...

12. How can I speed up my Java text file parser?    stackoverflow.com

I am reading about 600 text files, and then parsing each file individually and add all the terms to a map so i can know the frequency of each word within ...

13. How to parse data from a text file which contains lots of records and each value is separated by a space/tab or maybe both    stackoverflow.com

I actually need to create a database with 421 columns and I have created it. Now I have to load data into the database using a Java program. The data that ...

14. Parsing text file for calculations    stackoverflow.com

Here is an example of what I'm trying to do which should direct me to the right track I have a txt file like:

  2*3
  4-4
  4+2  ...

15. Text file parsing    coderanch.com

Hello. I have a huge text file with strings with : delimited values as - 1000:2000:454758:676869:bad:bad:546474:... and so on I want to pick up (let's say) the 8th and 12th values and replace them with a string if they are not valid numbers. What is the most efficent way? This is a large file, I want to do it most optimized. ...

16. Parsing a text file    coderanch.com

I am needing help parsing a text file. I need a way to split the lines with the | . So first word should be "1", second word should be "RIALTO". Sample Data looks like 1|RIALTO|TOTL|1547|73|74|74|74|74|74|74|75|75|76|75 1|RIALTO|CO|222|76|76|76|76|76|76|76|76|76|76|77 Sample code import java.io.*; public class Test { public static void main(String [] args){ File myFile = new File("c:/sample_aprs.txt"); BufferedReader in = new BufferedReader(new ...





17. parsing textfile using java    coderanch.com

Bhasker A couple of questions first: How is the program run, meaning is it run as a client/server, (web based app)? Or is it a standalone app on someones computer or distributed? Since it was an MFC app I assume it is the later. In that case you're probably looking at a straight Java application to run on a specific computer ...

18. parsing a text file    coderanch.com

I have a text file (and for now it is not going to be in xml format) which looks like: System { Project { Instance { domain1 { Server { AppServerHost = "host" AppServerPort = 80 NetricsHost = "host" NetricsPort = 5051 JassFileName = "jaas_client.conf" } Repository { # possible and supported values: shared | local Mode = "shared" } Transport ...

19. parsing a text file, advice needed...    coderanch.com

Hi I am parsing a text file. Its in a custom XML style of format. I want to extract certain values from the text file and store them in some classes I have made. Just wondering if StringTokenizer is the best thing to use here? Any recommendations would be grately receieved too. Many thanks

20. Parsing a .txt file    coderanch.com

Hi there, I am trying to parse a .txt file and don't know where to start. I am trying to get the file information from within the text file and output it to a SWT table. The file I'm trying to parse looks like the following with useless information before and after the file information. All I really need to do ...

21. Parsing pipe delimitated text file suing ExcelCSVParser    coderanch.com

Hi All! I want to convert the pipe delimitated text file into an XML file and then parse it. The file has a field where there occurs a pipe inside the single field enclosed by inverted commas..for example A|B|"C|D|E"|F.I was using the LabeledCSVParser before till i knew about this anomaly of pipes within a single field. Now, previously in the XML ...

22. Parsing Text File Help.    coderanch.com

Howdy ranchers , I need some help and advice from you.. I have a text file which has some pre-ready headers like below : Name Sfr Tag CheckinTag Yogendra 111 TP_101 Likewise I have 1000's of records , Now i would like to know is I want to convert this text file into an excel sheet, How can we accomplish this ...

23. parsing text files to create formated text files    coderanch.com

Just answered this question in this forum. Well at least sort of answered it. Also, Bhasker, please try not to cross post to multiple forums. Most of the visitors here check multiple forums and will see your question and answer it if they can. Just try to pick the most appropriate forum and post it there, doing it in multiple places ...

24. Parsing a delimited text file    coderanch.com

25. parsing text file    coderanch.com

Hi, I was parsing a text file by reading it line by line and using string tokenizer with tab delim. The format of the line is like "kundan" tab "verma" tab "india" so using stringTokenizer("/t") but now i am getting tab inside double quotes like "kundan " so stringtokeniser tokenise data inside double quotes also. How to get rid of this ...

26. Text File Parse - Code comments please    coderanch.com

Hey all. Would someone please have a look at my class that simply parses a text file and converts it to a List. I am really after code comment (i.e. its ok but you should - that kind of comment) as I am trying to improve. Thanks, package net.jonanthanstorey.utils; import java.io.*; import java.util.*; /** * * @author Jonathan Storey * Class ...

27. parsing a text file java and return a set of lines    coderanch.com

HEllo All, I am very new to Java and I am stuck with this program that I need to write. Below are the details I have a txt file with contents as below.. THE CLASS - "C_1/74" AGGREGATION HEIGHT - 0 CLASS IS FORMED BY THE UNION XX field1 XX field2 [X = [63, 80]] ^ [Y = [1.28, 2.16]] ^ ...

28. Java +Parsing a text file    coderanch.com

Hi, I have text file which contains data in this way DEBUG ooegroup.OoeGroupOnlineInterfaceImpl - PERFORMANCE MEASUREMENT :: BEFORE OOE RESERVE GROUP MEMBER Info >>>> Fri Apr 03 10:16:47 ICT 2009> DEBUG ooegroup.OoeGroupOnlineInterfaceImpl - reserveOOEGroup :> DEBUG ooegroup.OoeGroupOnlineInterfaceImpl - PERFORMANCE MEASUREMENT :: AFTER OOE RESERVE GROUP MEMBER Info >>>> Fri Apr 03 10:16:48 ICT 2009> DEBUG reserve.ReserveOoeGroupResponseMapper - Start : mapToOOEGroupResponse> each ...

29. Parsing text file into 3 columns    coderanch.com

Hi, I have a requirement to parse the text file (sample pasted below) and extract the 3 said columns in the file. I am using the Scanner class, but I cannot seem to leverage the "useDelimiter" method to trim the spaces in the text file.. Sample file 64.105.4.90 mail.virtuosoworks.com. ptr 64.105.4.178 mail.imaamd.org. ptr 64.105.4.186 smtp.vernonlaw.com. ptr 64.105.5.25 64-105-5-25.adsl.lbdsl.net. ptr 64.105.5.26 stitch.chipworks.net. ...

30. How to parse a text file    coderanch.com

Hello, What you see below stars-line is the type of data i am working with. I have a lot of file like that. Initially, i don't know what the files look like. It is the user of the application that has to input the files. The user first gives example data to the system. ie. The user can give as example: ...

31. Need help to parse text files.    coderanch.com

I am learning Java and need some assistance. I'm trying to make a program that can scrape some data out of a text file and get certain important parts. The text files contains the source code for an ebay auction. What I am trying to do is grab key parts like the price, item location, etc. I can get the source ...

32. String -> variable (setting variables from parsing a text file)    java-forums.org

I'm trying to set variables from a text file. If the string I get is exactly the same name as a variable in my class, can I set it directly? For example: int myValue; String s = "myValue"; int i = Integer.parseInt("42"); Is there a better way to assign the value besides doing: if (s.equals("myValue")) myValue = i;

33. Need help to parse text files.    java-forums.org

I am learning Java and need some assistance. I'm trying to make a program that can scrape some data out of a text file and get certain important parts. The text files contains the source code for an ebay auction. What I am trying to do is grab key parts like the price, item location, etc. I can get the source ...

34. parsing of the text file    forums.oracle.com

my problem is that i have a notepad file such "john","london","8.07" "john","new york","7.54" "charls","london","8.07" "charls","new york","7.54" this the format of the text file in this file i m interested in name and working hours (i..e last filed) the new file should be in the format like john , london , 8.07 new york,7,54 total working hours=16.01 charls , london , 8.07 ...

35. Parsing a Text File    forums.oracle.com

In your parseLine() method, displays the String passed to see if it is what you expect. Also, display each token as they are added to the collections. Are you sure your file uses a single char (carriage return) as the line delimiter? Also, I am not use that using a scanner to read the file is the way to go since ...

36. parsing txt file from internet.    forums.oracle.com

Dear JavaGurues I would like to know how I can pharse a simple text file that is uploaded somewhere on the internet(as an txt file, not an html site..) I need to do this with JavaME. I found the API of the javaME to be a little more confusing then for the full one..(Its not all in one site..?) Links to ...

37. Parse text file    forums.oracle.com

If those delimiters are guaranteed to always be present, it shouldn't be too tricky. My advice is to get that data out of the file, into an array real quick - as you're already doing - and then out of that array and into an object with some actual meaning, as soon in code as you can. Arrays, and having each ...

38. parsing a text file.    forums.oracle.com

Here is the instructions again; The id given by uniprot to this protein is P69905. This id is called an accession number (AC). The Uniprot knowledgebase is available in a variety of formats, including a simple at le format that you are going to parse. Part of the entry for the hemoglobin alpha globin is as follows: ID HBA_HUMAN Reviewed; 142 ...

39. text file parsing question!    forums.oracle.com

40. Text file parsing and performance    forums.oracle.com

I was told that it would be more efficient to pull from the file only the stock info I need. Wouldn't pulling the file apart,scanning and such to match what is in the db be more overhead? I currently load the entire stock price file, then follow up this process with a matching program that goes over each customers record, acquires ...

41. Parsing CFG text file question    forums.oracle.com

so, the non-terminals are indicated by angle brackets and the terminals are not and the start variable is . My finished program should pick a random terminal for each non-terminal everytime i run it, for example: "Hello, my name is Jerry." "Hi, my name is Maynard." "Greetings, my name is Maynard." Now, back to the parsing question... how do I parse ...

42. Parsing a Text file with nulls in records    forums.oracle.com

Hello All, I am relatively new to Java programming and I have been given a task that requires me to parse a CSV text file. I have to group the records based on a particular column and then do some math (add columns that have same keys). My problem is that the input file can have nulls and non numeric chars. ...

43. advice on how to parse a text file    forums.oracle.com

I've actually looked at regular expressions before; I don't actually need to SEARCH my text, as I already know the locations of the data that I want. Something like this: XXXX2 XXXX4 XXXX3 XXXX4 XXXX6 XXXX5 There's six lines of data in a spreadsheet (that I've generated from my app). I need something that can find the fifth column, take the ...

44. how to parse text file?    forums.oracle.com

Hi, I would like to read data from a text file that my program has created. This is what I have when I create my file: try { File file = new File("/Users/seifmouelhi/Desktop/Output.txt"); FileOutputStream out = new FileOutputStream(file); PrintStream print = new PrintStream(out); System.setOut(print); } catch(Exception e) { System.out.println("set system out failed!!!!!"); System.out.println(e.toString()); System.exit(0); } and what can I use to ...

45. Parse from a text file    forums.oracle.com

Well, you could wrap it in Java source to make a fully fledged class and invoke the Java compiler to compile it to a .class file, then load the class. You can use the tools.jar which contains a way to invoke the javac directly from Java. Or there are library classes for running a scripting language like JavaScript as part of ...

46. Parsing a text file    forums.oracle.com

I looking for some general advice. I have a text file consisting of records that are of fixed length depending on the record type. Each record has a date. I need to group data from different records depending on the date. Is there any way to do this without having to read the file more than once? As of now I ...

47. parsing string out of a txt file    forums.oracle.com

i cannot figure out how to do this, nothing i try am working... here is the data in my file: ["Zerk"] = { 22, -- [1] "", -- [2] "2008-01-13", -- [3] }, ["Jaxa"] = { 70, -- [1] "Apathy", -- [2] "2008-01-17", -- [3] }, ["Sujong"] = { 70, -- [1] "IRONY", -- [2] "2008-01-12", -- [3] }, ["Henxins"] = ...

48. How to parse a text file?    forums.oracle.com

For some time I've been busy with j2me and have forgotten some j2se tools like regex package. You are right it seems the regex is the best way to go. I don't want to seem ungrateful or any thing but actually I'm not so good in creating regex patterns and I have a question, Is it possible to read for example ...

49. How to parse this textfile    forums.oracle.com

I have a plan textfiel that i'm able to read but i can't parse the date and numbers in the text file. text content: [ 2007.10.19 11:53:42 ] (test) Your item, costs 598.0 euro. i suppose i can use substring/tokenizer but my knowledge in the tokenizer is limited. Does anyone know how to parse the date and costs so i can ...

50. Parsing a text file    forums.oracle.com

Ping statistics for xxx.xxx.xxx.xxx: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 277ms, Maximum = 280ms, Average = 278ms Now I need to parse this file to read the the number of Sent and Received packets(the value after '='). and then have a check whether these two values are ...