summaryrefslogtreecommitdiffstats
path: root/bin/newer
blob: 5f0fdca5c8cb181cce5c42144436297107a817ec (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#!/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 HDF5.  The full HDF5 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://www.hdfgroup.org/licenses.
# 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).
#
# Programmer: Albert Cheng
# Created Date: 2005/07/06
# Modification:
#    Albert Cheng 2005/8/30
#    Changed from two arguments to multiple 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