:
##########################################################################
# Shellscript:	savecp - don't let cp overwrite a file
# Version    :	0.2 (beta)
# Author     :	Heiner Steven (heiner.steven@odn.de)
# Date       :	23.01.1996
# Category   :	File Utilities
# SCCS-Id.   :	$Id: savecp,v 1.1.1.1 1999/06/15 19:29:05 heiner Exp $
##########################################################################
# Description
#	If "cp" is called with two files as arguments, it will
#	overwrite the second file. This script asks for
#	confirmation before doing so.
# Changes
# 24.10.96 hs	Add "verbose" mode (-v) (0.2)
##########################################################################

PN=`basename $0`			# Program name
VER='0.2 (beta)'

verbose=no
Args=
while [ $# -gt 0 ]
do
    case "$1" in
	-v)	verbose=yes;;
	--)	shift; break;;
	-*)	Args="${Args:+$Args }$1";;
	*)	break;;			# First file name
    esac
    shift
done

# Special case: "cp file1 file2": ask for confirmation
if [ $# -eq 2 -a -f "$2" -a -s "$2" ]
then
    while :
    do
	echo >&2 "$PN: Overwrite file <$2> (j/y/n)? \c"
	read OK < /dev/tty || exit 0
	case "$OK" in
	    [jJyY]*)	break;;
	    [nN]*)	echo "$PN: Nothing copied." >&2; exit 0;;
	esac
    done
fi

if [ $verbose = yes ]
then
    while [ $# -gt 1 ]
    do
	Files="${Files} $1"		# Files may not contain whitespace!
	shift
    done
    Target="$1"; shift

    for File in $Files
    do
	echo >&2 "$File"
	cp "$File" "$Target"
    done
else
    exec cp $Args "$@"
fi