#!/bin/sh
#
# Copyright by The HDF Group.
# All rights reserved.
#
# This file is part of h5check. The full h5check copyright notice,
# including terms governing use, modification, and redistribution, is
# contained in the file COPYING, which can be found at the root of the
# source code distribution tree.  If you do not have access to this file,
# you may request a copy from help@hdfgroup.org.
#
# Compare the modification time of file argument 1 against other file arguments.
# Return true (0) if argument 1 is newer than all others, otherwise return
# false (1).  If any of the argument is not a file, return false (1).
#
# Programmer: Albert Cheng
# Created Date: 2005/07/06
# Modification:
#    Albert Cheng 2005/8/30
#    Changed from two arguments to mulitple arguments.

if test $# -lt 2; then
    exit 1
fi
if test ! -f $1; then
    exit 1
fi
f1=$1
shift

for f in $*; do
    if test ! -f $f; then
	exit 1
    fi
    if test X = X`find $f1 -newer $f -print`; then
	exit 1
    fi
done

# passed all tests.  Must be a file newer than all others.
exit 0