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cmv revision 1.4 
      1 # Copyright (c) 1991, 1993
      2 #	The Regents of the University of California.  All rights reserved.
      3 #
      4 # This code is derived from software contributed to Berkeley by
      5 # Kenneth Almquist.
      6 #
      7 # Redistribution and use in source and binary forms, with or without
      8 # modification, are permitted provided that the following conditions
      9 # are met:
     10 # 1. Redistributions of source code must retain the above copyright
     11 #    notice, this list of conditions and the following disclaimer.
     12 # 2. Redistributions in binary form must reproduce the above copyright
     13 #    notice, this list of conditions and the following disclaimer in the
     14 #    documentation and/or other materials provided with the distribution.
     15 # 3. All advertising materials mentioning features or use of this software
     16 #    must display the following acknowledgement:
     17 #	This product includes software developed by the University of
     18 #	California, Berkeley and its contributors.
     19 # 4. Neither the name of the University nor the names of its contributors
     20 #    may be used to endorse or promote products derived from this software
     21 #    without specific prior written permission.
     22 #
     23 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33 # SUCH DAMAGE.
     34 #
     35 #	@(#)cmv	8.1 (Berkeley) 5/31/93
     36 
     37 # Conditional move--don't replace an existing file.
     38 
     39 cmv() {
     40 	if test $# != 2
     41 	then	echo "cmv: arg count"
     42 		return 2
     43 	fi
     44 	if test -f "$2" -o -w "$2"
     45 	then	echo "$2 exists"
     46 		return 2
     47 	fi
     48 	/bin/mv "$1" "$2"
     49 }
     50