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[amibroker] Re: Possible File I/O bug.



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>>this works:  "test.txt"
this does not: "d:\test.txt" <<

Using "test.txt" has no effect on the problem.

"d:\test.txt" doesn't work because the backslash is a special 
character needs to be escaped like so:

"d:\\test.txt"

Bill

--- In amibroker@xxxxxxxxxxxxxxx, "hairy_mug" <WSCHWARZ@xxxx> wrote:
> 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
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >




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