Depending on your environment...
I am not sure about Unix but in Windows you would need to create a JNI,
because I don't see a way to do this in 100% pure Java. (There goes your
certification. :-)
You could then use the MS Visual C++ class function of
CFile::SetLength() to reduce the size.
Tim Gallagher
-----Original Message-----
From: Rogerio Meneguelli Gatto [mailto:[EMAIL PROTECTED]]
Sent: Friday, March 12, 1999 10:04 AM
To: [EMAIL PROTECTED]
Subject: Re: how to delete files
Is there a way to truncate a file, say, reduce it's length by x bytes?
[]'s
Rog�rio Gatto
> -----Original Message-----
> From: A mailing list for discussion about Sun Microsystem's
> Java Servlet
> API Technology. [mailto:[EMAIL PROTECTED]]On Behalf Of
> Timothy Gallagher
> Sent: Thursday, March 11, 1999 7:50 PM
> To: [EMAIL PROTECTED]
> Subject: Re: how to delete files
>
>
> If you don't have some form of delete indicator for each record, you
> will have copy the file to a temporary file while removing the data.
> Once the temporary file is created and filled, delete the
> original file
> and rename the temporary file.
>
> If you have a space for a delete indicator, I would suggest using a
> RandomAccessFile, seek() to the desired location, and set the
> indicator.
>
> Tim Galllagher
>
> -----Original Message-----
> From: Mario [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, March 11, 1999 5:37 AM
> To: [EMAIL PROTECTED]
> Subject: Re: how to delete files
>
>
> class java.io.File, method delete()
> Check API-documentation.
> Mario
> > hello,
>
> > In the destroy method of my servlet I wanted to delete the
> entries in
> a
> > file.(not useing jdbc. it is a flat file) can some one help me with
> this.
>
>
>
>
> > Revathy R.
>
>
> > Revathy R.
>
> >
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