#! /bin/csh -f

#
# getncols
#
# Original Author: Doug Greve
# CVS Revision Info:
#    $Author: nicks $
#    $Date: 2007/01/09 22:41:17 $
#    $Revision: 1.3 $
#
# 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($#argv != 1) then
  echo "USAGE: getncols stem "
  echo '$Id'
  exit 1;
endif

set stem = $argv[1];
set firstslice = `getfirstsliceno $stem`
set st = $status;
if($st) then
  echo "ERROR: cannot find any files with $stem";
  exit 1;
endif

set hdr = `printf "%s_%03d.hdr" $stem $firstslice`
if(! -e $hdr) then
  echo "ERROR: cannot find $hdr"
  exit 1;
endif

set tmp = `cat $hdr`;
set ncols = $tmp[2];

echo $ncols;

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