csv « API « Java I/O Q&A





1. csv row reader question    stackoverflow.com

I am basic level java programmer. I am working with CSV files. I have a file that has rows and columns as follow

     col1   col2  ...

2. Java BufferedReader behavior in CSV vs TXT file    stackoverflow.com

If i try to read a CSV file called csv_file.csv. The problem is that when i read lines with BufferedReader.readLine() it skips the first line with months. But when i rename ...

3. java string tokenizer    stackoverflow.com

What if I have a file that I am using a string tokenizer on to get values between commas. Its a csv file. Here is sample input:

test,first,second,,fourth,fifth
so how can i catch ...

4. how to seperate a csv file using commas if it has null values and we need data corresponding to upper column?    stackoverflow.com

My code is

        BufferedReader fileReader = new BufferedReader(new FileReader(strFileName));

        while ((strLine = fileReader.readLine()) != null) ...

5. How read Japanese fields from CSV file into java beans?    stackoverflow.com

I've tried several popular CSV to java deserializers - OpenCSV, JSefa, and Smooks - none correctly read the file:

First Name,Last Name
????,??
??,??
??,??
??,??
??,??
into my java object collection. OpenCsv code:
    HeaderColumnNameTranslateMappingStrategy<Contact> strat ...

6. ZipException: ZIP_READ error is sometimes thrown when reading Zipped CSV file    stackoverflow.com

I have a csv file inside a zip folder. When i try to read the csv file with

   bufferedReader.readline()
ZIPException: ZIP_READ error is thrown on the above line. I ...

7. StringTokenizer to read CSV file    coderanch.com

Hi, I am trying to convert CSV to XML file, and I am using StringTokenizer to read CSV file, but not clear understandble. ---------------------------CSV File------------------------------------- [Header] 'devon','add','"LR","UOP"','test' [Identification] 'northdevon.ac.uk','123456','','' [Personal] 'Smith','West','Carol','Mrs','31/12/1977','F','156 Old Mill Lane, Worcester','WO34 5GG','ER234557H','','Favourite food?' ------------------------------------------------------------------ Can any one suggest me about this implementation or any links to have a similar examples. I tried with StrinTokenizer, but could get ...

8. StringTokenizer to read CSV file    coderanch.com

Hi, I am trying to convert CSV to XML file, and I am using StringTokenizer to read CSV file, but not clear understandble. ---------------------------CSV File------------------------------------- [Header] 'devon','add','"LR","UOP"','test' [Identification] 'northdevon.ac.uk','123456','','' [Personal] 'Smith','West','Carol','Mrs','31/12/1977','F','156 Old Mill Lane, Worcester','WO34 5GG','ER234557H','','Favourite food?' ------------------------------------------------------------------ Can any one suggest me about this implementation or any links to have a similar examples. I tried with StrinTokenizer, but could get ...

9. CSV File Reader    coderanch.com





10. Is StringTokenizer a "Java Gotcha" for use in CSV processing?    coderanch.com

If everything is enclosed in single quotes, why not use that as the delimiter and just toss the tokens that consist of a single comma? If you are using Java 1.4 or above, you could use String.split() or regular expressions to parse the lines. If not, you'll have to obtain or write a string parser class that does what you want. ...

12. Unable to recognize OLE stream while upload CSV    coderanch.com

It looks like you are using an API to read Excel documents (*.xls), which you are trying to use to read a CSV file. CSV files are not in the same format as *.xls files. You can't use an API that expects a file in *.xls format to read a CSV file.

13. CSV Reader    java-forums.org

I have seen many requests on how to read a CSV file. I thought it would be fun to try to write one. I thought it may be useful in the future to share. Code is below. Also, I would love any feedback on how to make it better. Java Code: /**********EXAMPLE Use of Class************************************************ String filePath = "c:\\YOUR_FILE"; //Path to ...

15. Why does bufferedreader treat my files as if they are CSV and add quotes?    forums.oracle.com

I'm a bit baffled as to why BufferedReader chooses to surround a line of text with quotes if it contains a comma. Wouldn't it be more logical to make the default option provide the text as it occurs in the file? Are there any simple workarounds for this (other than regex or replaceall)? Thanks.

16. Parsing csv file populating empty field - using StringTokenizer?    forums.oracle.com

Since you are reading sequentially you don't need random access. You don't need to parse at all in terms of finding the last position, because by definition it is last. So the only reason to parse is if you are using the parsed data to look up the number. Even so you still should not construct the line but instead keep ...





17. csv reader    forums.oracle.com

i m reading a csv file and inserting into database. one of my field in csv file is having comma ( the no. of comma is variable)which i want to ignore. i tried to enclose that field in double quotes but that also would not work.i am using bufferedreader for reading csv file . help me out