#!/bin/ksh

# The ${1+"$@"} idiom, on
# the other hand, vanishes completely from the command line
# if there are no arguments supplied. [See "man sh".]

# To test, try:
#
#	./args.sh "arg1" "arg2_1 arg2_2" ""
#	./args.sh
#


ARGS=$@

shift `shift; echo $#`

echo '#### pre' \"$1\"

set -- $ARGS
echo '#### pass'
echo './args2.sh ${1+"$@"}'
./args2.sh ${1+"$@"}