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#!/bin/sh
#
# Copyright by The HDF Group.
# Copyright by the Board of Trustees of the University of Illinois.
# All rights reserved.
#
# This file is part of HDF. The full HDF copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the COPYING file, which can be found at the root of the source code
# distribution tree, or in https://support.hdfgroup.org/ftp/HDF/releases/.
# If you do not have access to either 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).
#
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
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