[5176] in java-interest
Re: Problems on append a exist file.
daemon@ATHENA.MIT.EDU (Nigel Back)
Wed Jan 31 14:33:17 1996
From: Nigel Back <nrb@garland.bt.co.uk>
Date: Wed, 31 Jan 96 08:53:08 GMT
To: mark@hactl.com.hk, msenocak@arachnid.microweb.com
Cc: java-interest@java.sun.com
> From daemon@java.sun.com Tue Jan 30 18:04:50 1996
> Date: Mon, 29 Jan 1996 23:26:58 -0800
> From: Mete Senocak <msenocak@arachnid.microweb.com>
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> Hi Mark:
>
> mark@hactl.com.hk wrote:
> >
> > Hi, everybody,
> >
> > I am now writing a Java application (not applet) for file management.
> > The problem I meet is I can not append new line to the exist file.
> > Each time I create a FileOutputStream, it overwrite the exist file.
> > Could someone please tell me how to append a file? Thanks a lot!
> >
> > regards,
> >
> > Mark
> > -
>
> Without looking at your code, let me ask this: Did you place your file
> pointer at the end of the file before writing to the file? If not, that
> explains the cause of your problem.
>
> This will put the pointer at the end of your file:
>
> yourFile.seek(yourFile.length());
>
> Good luck,
>
> - Mete
> -
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You will need to use the RandomAccessFile class and not FileOutputStream to have the necessary control over the pointer. Seek will work fine then.
Nigel B.
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