#! /bin/csh -f

#
# getfirstsliceno
#
# Original Author: Doug Greve
# CVS Revision Info:
#    $Author: nicks $
#    $Date: 2007/01/09 22:41:17 $
#    $Revision: 1.2 $
#
# Copyright (C) 2002-2007,
# The General Hospital Corporation (Boston, MA). 
# All rights reserved.
#
# Distribution, usage and copying of this software is covered under the
# terms found in the License Agreement file named 'COPYING' found in the
# FreeSurfer source code root directory, and duplicated here:
# https://surfer.nmr.mgh.harvard.edu/fswiki/FreeSurferOpenSourceLicense
#
# General inquiries: freesurfer@nmr.mgh.harvard.edu
# Bug reports: analysis-bugs@nmr.mgh.harvard.edu
#


if($#argv != 1) then
  echo "USAGE: getfirstsliceno stem"
  echo '$Id: getfirstsliceno,v 1.2 2007/01/09 22:41:17 nicks Exp $';
  exit 1;
endif

set stem = $argv[1];
@ fs = 0;
set stop = 0;
while( ! $stop)
  set fname = `printf %s_%03d.hdr $stem $fs`;
  if( -e $fname ) break;

  @ fs = $fs + 1;
  if($fs > 50) then
    echo "ERROR: cannot find any files with $stem";
    exit 1;
  endif

end

echo $fs

exit 0;
##########################################