[Gambas-user] How to lock a file

[nando]

Can you tell why you have to lock it..
for what reason?


---------- Original Message -----------
From: Almanova Sistemi <almanova at ...1228...>
To: mailing list for gambas users <gambas-user at lists.sourceforge.net>
Sent: Wed, 24 Sep 2008 15:40:53 +0200
Subject: [Gambas-user] How to lock a file

> Hi,
> 
> I have a problem with LOCK
> 
> I am writing an application in gambas (2.7.0-2.1) on opensuse 10.3 -
> 11.0 and I need to lock a file after open it.
> 
> My code:
> 
> ...
> DIM hfile as File
> DIM sNameFile as String
> 
> sNameFile = "SomeFile"
> 
> hfile = OPEN sNameFile FOR INPUT OUTPUT
> TRY LOCK hfile
> IF ERROR then
>     ...
> ENDIF
> LINE INPUT #hfile, MyVar
> UNLOCK hfile
> CLOSE #hfile
> ...
> 
> When I execute it I get the following messge:
> Useless LOCK in line ...
> 
> I obtain the same result also with:
> 
> hfile = OPEN sNameFile FOR READ WRITE
> 
> Why ?
> 
> Regards,
> Massimo.
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------- End of Original Message -------