Re: Re: [TINI]SLush and File Writing

Dear Richard Southey

My application code (myApp.java) in slush can reads data from file in SRAM, but cannot writes data to file in SRAM. Why?

//======================1===================================
 boolean ret=false;
 DSFile ff = new DSFile("datafile");
 try{
      PrintStream ffOut = new PrintStream(new BufferedOutputStream(new FileOutputStream(ff)));
      ffOut.println("12345");
      ffOut.println("67890");
      ffOut.flush(); 
      ffOut.close();
      ff.setOtherPermissions(0);
 }catch(IOException e)
              {
}
//=========================================
The above code in "myApp.java", “datafile” not  found in SRAM. Why?
The above code in "slush.java", “datafile”  found in SRAM. Why?


//====================2====================
FileOutputStream ffout;
try
 {
  ffout= new FileOutputStream("datafile");
  ffout.write((new String("12345\r\n")).getBytes());
ffout.write((new String("67890\r\n")).getBytes());
ffOut.flush(); 
ffout.close();
}catch(IOException e)
              {
}
//=========================================
The above code in "myApp.java", “datafile” not  found in SRAM. Why?
The above code in "slush.java", “datafile”  found in SRAM. Why?

Best regards,
Zhbnzz
4.2.2004

> Try flushing the stream before you close it, to make sure the string is 
> actually written:
> 
>          writer.flush();
> 
> If the buffer is not filled up, it will not always be written to the 
> file.  I've have had this problem on the PC many times, and it normally 
> takes me ages to work out why.
> 
> Hope this helps,
> 
> Cheers
> 
> Richard
> 
> At 19:24 30/03/2004, Swami Venkataramani wrote:
> >I wrote a program that writes a string to file (which already
> >exists).  However, when I added this program as a Slush command and added this
> >Slush command to the .startup file, it does not write to the file anymore. I
> >tried using the DSFile class too, and still it doesn't work...
> >
> >Some sample code:
> >
> >DSFile dfile = new DSFile ("mode.txt");
> >FileOutputStream dfileStream = new FileOutputStream (dfile);
> >PrintWriter writer = new PrintWriter(dfileStream);
> >writer.println(message);
> >writer.close ();
> >
> >
> >Any help is appreciated.
> >
> >Thanks,
> >
> >Swami.
> >
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> 
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