Checking if a file can be written to

From: Mark James Boland (markjb@inga.ph.unimelb.edu.au)
Date: Thu Jan 13 2000 - 08:40:40 MET 

Hello roottalk,

Could some one help me with a question on checking the status of a
file. Is there a way using a ROOT macro to test if a file can be written
to?  Eg. in C I would do the check

FILE *fPtr;
if((fPtr = fopen("file.dat","w")) == NULL) printf("can't open file.dat");

I can't seem to find a function with a return value that I can test in
the same way as the fopen function. Is there a "file->CanWriteTo()" type
of check?

I am using ROOT 2.22/09 on Linux.

Regards,
Mark
___________________________________________________________________
Mark Boland                           markjb@physics.unimelb.edu.au
School of Physics                     PhD Student
The University of Melbourne           Photonuclear Group
Fax: +61 3 9347 4783                  Ph: +61 3 9344 5426

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