#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# tests for quoted and unquoted, split and unsplit expansions of $@ and $*
# Posix interpretation 221 speaks to this issue

set -- a b
IFS=
x=abc

printf "<%s>\n" ${x#$*}

a="a bc"
echo ${a#$*}
unset x a

a=$@
echo "$a"

a=$*
echo "$a"

printf '<%s>' $@ ; echo

IFS=' 	
'

a=$@
echo "$a"

a=$*
echo "$a"

unset a

unset IFS
set a b "c d"
printf '<%s>' $* ; echo
printf '<%s>' ${q-$*} ; echo

IFS=
set a b "c d"
printf '<%s>' $* ; echo
printf '<%s>' ${q-$*} ; echo

IFS=:
set a b
printf '<%s>' ${foo=$*} ; echo
printf '<%s>' "${foo}" ; echo

unset foo
IFS=' 	
'
printf '<%s>' ${foo=$@} ; echo
printf '<%s>' "$foo" ; echo

IFS=?
set a c
foo=abcd

echo ${foo#"$*"}
echo "${foo#$*}"

echo "${foo#'a?c'}"
echo "${foo#a?c}"

IFS=?
set a c
str=a$'\001'c
pat=a$'\001'
echo "${str#$pat}"

set a b
IFS=:

a=$@
recho "$a"

recho ${foo=$*}
recho "$foo"

unset foo
IFS=' 	
'
recho ${foo=$@}
recho "$foo"

shift $#
unset foo x

set -- a b
x=abc

IFS=
printf "<%s>\n" ${x#$*}
printf "<%s>\n" "${x#$*}"

x=abcd
set a c
IFS='?'
printf "<%s>\n" ${x#$*}
printf "<%s>\n" "${x#$*}"