From: Michael Abernethy <mna@duke.edu>
  To  : 
  Date: Sun, 14 Feb 1999 18:16:27 -0500

Re: Outputting to a file

 We found we were passing around the output file by value rather than by 
reference.  Once we started passing it by reference, output started 
showing up.

> > We are declaring a ofstream called output which is set to our filename 
> > using "output.open(filename.c_str())".  But how do we actually write to the 
> > file?  We tried using "output << "blah blah" << "\n";  But nothing is 
> > being written to the file.  Suggestions?  Thanks.
>  
> The only thing that comes to mind is, are you closing
> the file when you're done with it?  That might be causing
> the problem (maybe...).  One other thing, using endl
> instead of "\n" might be something you should be doing;
> endl flushes the output buffer, causing everything currently
> in the buffer to be written to the file.  I don't know for
> sure if "\n" will do this with the << operator...  It
> might, but it also might not, and if it doesn't, that
> could be a reason why you're never seeing anything.
> 
> Good luck.
> 
> Tim
> 
> 

Mike Abernethy
www.duke.edu/~mna
IBM Club Cyberblue - www.cybrblu.ibm.com