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I had that same problem...
It's the file name...
this works: "test.txt"
this does not: "d:\test.txt"
Walt
--- In amibroker@xxxxxxxxxxxxxxx, "bilbo0211" <bilbod@xxxx> wrote:
> As you will see from my most recent post, that has no effect on the
> problem.
>
> Bill
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Steve Dugas" <sjdugas@xxxx>
wrote:
> > Possibly because your test for fh is inside a set of brackets, it
is
> treated
> > as a seperate local variable? I might try moving it outside the
> brackets,
> > something like this:
> >
> > fh = fopen( filename, "w") ;
> > for (j=0; fh AND j<7; j++)
> > {
> > idx = StrExtract( indexesL , j ) ;
> > if ( Name() == "^"+StrExtract( indexesU , j ) )
> > {
> > idx = StrExtract( indexesL , j ) ;
> > s = StrFormat( ",%f\n", LastValue(Highest( ATR( 1 ) ) ) ) ;
> > fputs(idx + s, fh ) ;
> > }
> > }
> > fclose(fh) ;
> >
> >
> > ----- Original Message -----
> > From: "bilbo0211" <bilbod@xxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Monday, June 27, 2005 8:14 PM
> > Subject: [amibroker] Possible File I/O bug.
> >
> >
> > >I am having a problem with file I/O. I don't know if it is a bug
or
> I
> > > am doing something I am not supposed to do.
> > >
> > > If I open a file and write to it multiple times in a loop,
there
> is no
> > > error but the file is always empty. If I use the same code
except
> open
> > > and close the file each time I write to it in the loop, the file
> > > contains the correct data.
> > >
> > > What follows are 2 pieces of code that demonstrates the
problem.
> 1st
> > > is the one that gives the empty file, them the one that gives
the
> > > correct data.
> > >
> > > Bill
> > > ---
> > > Buy=0;
> > > Sell=0;
> > > indexesL = "dji,ixic,ndx,rut,spx,vay,vlic" ;
> > > indexesU = "DJI,IXIC,NDX,RUT,SPX,VAY,VLIC" ;
> > >
> > > filename = "d:\\tmp\\amibroker\\cycles\\highest_tr.dat" ;
> > > fh = fopen( filename, "w") ;
> > > for (j=0; j<7; j++)
> > > {
> > > idx = StrExtract( indexesL , j ) ;
> > > if ( Name() == "^"+StrExtract( indexesU , j ) )
> > > {
> > > idx = StrExtract( indexesL , j ) ;
> > > s = StrFormat( ",%f\n", LastValue(Highest( ATR( 1 ) ) ) ) ;
> > > if(fh)
> > > {
> > > fputs(idx + s, fh ) ;
> > > }
> > > }
> > > }
> > > fclose(fh) ;
> > > ---
> > > Buy=0;
> > > Sell=0;
> > > indexesL = "dji,ixic,ndx,rut,spx,vay,vlic" ;
> > > indexesU = "DJI,IXIC,NDX,RUT,SPX,VAY,VLIC" ;
> > >
> > > filename = "d:\\tmp\\amibroker\\cycles\\highest_tr.dat" ;
> > >
> > > for (j=0; j<7; j++)
> > > {
> > > idx = StrExtract( indexesL , j ) ;
> > > if ( Name() == "^"+StrExtract( indexesU , j ) )
> > > {
> > > idx = StrExtract( indexesL , j ) ;
> > > s = StrFormat( ",%f\n", LastValue(Highest( ATR( 1 ) ) ) ) ;
> > > if (j==0)
> > > fh = fopen( filename, "w") ;
> > > else
> > > fh = fopen( filename, "a") ;
> > > if(fh)
> > > {
> > > fputs(idx + s, fh ) ;
> > > fclose(fh) ;
> > > }
> > > }
> > > }
> > > ---
> > >
> > >
> > >
> > >
> > > Please note that this group is for discussion between users
only.
> > >
> > > To get support from AmiBroker please send an e-mail directly to
> > > SUPPORT {at} amibroker.com
> > >
> > > For other support material please check also:
> > > http://www.amibroker.com/support.html
> > >
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > >
> > >
> > >
Please note that this group is for discussion between users only.
To get support from AmiBroker please send an e-mail directly to
SUPPORT {at} amibroker.com
For other support material please check also:
http://www.amibroker.com/support.html
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