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Thread: write text to a file help

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    Member wolfgar's Avatar
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    Question write text to a file help

    i dont have much knowledge on streams output streams mostly , and right now i need to make a method that will write text to a file

    here's all that i have set up >.<
    info[0] = the file name
    info[1] = the stuff to write to that file

    public void fileWriter(String[] info){
     
    	}

    yes , i know its bare XP but thats about all i know about the output streams
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    Default Re: write text to a file help

    If you look at the bottom of this page there is a list of similar threads.

    Have a look at http://www.javaprogrammingforums.com...sing-java.html

    // Json

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    Default Re: write text to a file help

    oh wow , i never noticed that b4 XP *fails*
    thanks for the help though ^_^
    Programming: the art that fights back

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    Default Re: write text to a file help

    Hello to all,
    I have managed to write to a file but is keeps writing on the same line.
    Ive tried \n" but the .txt file recognizes it as a character.
    any ideas?
    thank you

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    Default Re: write text to a file help

    Print the following to the file stream.
    System.getProperty("line.separator");

    Chris
    chris[at]javaprogrammingforums[dot]com

    Prifysgol Bangor University, North Wales

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    Default Re: write text to a file help

    public static boolean saveStringToFile(String fileName, String saveString)
    	{
    		boolean saved = false;
    		BufferedWriter bw = null;
     
    		try 
    		{
    			// bw   = new PrintWriter(new BufferedWriter(new FileWriter(fileName)));
    			bw= new BufferedWriter(new FileWriter(fileName));
    			try
    			{
    					//bw.println();
    					bw.write(saveString);
    					System.getProperty("line.separator");
    					//bw.newLine();
    					saved = true;	
    			}//end of try
    			finally
    			{
    				bw.close();
    			}//end of finally			
    		}//end of try
    		catch (IOException ex)
    		{
    			ex.printStackTrace();
    		}//end of catch
    		return saved;
    	}//end of saveStringToFile method

    this is my code.
    i tried the line.separator as well as .newlive() and both didn't work

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    Senile Half-Wit Freaky Chris's Avatar
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    Default Re: write text to a file help

    If using the BufferedWriter class then the .newLine() function would work. However, i'm not to sure where you are specifying that there should be a new line printed. From my understanding you are passing a String of text (one line) to a function which then write that line to the file and then prints a new line.


    Could you please give an example of inputs to the function and the desired output.


    Regards,
    Chris
    chris[at]javaprogrammingforums[dot]com

    Prifysgol Bangor University, North Wales

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    Default Re: write text to a file help

    Well am using a queue simulation and I want to write every line of the queue
    The code below shows more details
    if(tillQueue.peek() == null)
       System.out.println(i+"\t"+"\t"+ getCurrentQLength()+"\t"+"Queue Empty"+"\t"+"Info Saved: "+saveStringToFile("Queue_Info.txt", tillQueue.toString()));
     
    else
      System.out.println(i+"\t"+ "\t"+ getCurrentQLength()+ "\t"+tillQueue.toString()+"\t"+"Info Saved: "+saveStringToFile("Queue_Info.txt", tillQueue.toString()));

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    Default Re: write text to a file help

    Try opening the file in append mode, new FileWriter(fileName, true); Also you will need to loop trhough each line of the Queue rather than just dumping it onto the saveStringToFile() function. But yes open in amend, print a line, print a blank line (bw.newLine()), close repeat.

    Regards,
    Chris
    chris[at]javaprogrammingforums[dot]com

    Prifysgol Bangor University, North Wales

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