#   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/>.
#

# more odds and ends for nofork command substitution

# make sure parsing is right within conditional commands
[[ ${ echo -n "[${ echo -n foo; }]" ; } == '[foo]' ]] || echo bad 1
[[ "${ echo -n "[${ echo -n foo; }]" ; }" == '[foo]' ]] || echo bad 1

# mix multiple calls to parse_and_execute
got=$(eval 'x=${ for i in test; do case $i in test) echo .;; esac; done; }' ; echo $x)
echo $got

# mix compound assignment and nofork command substitution
: ${ a=(1 2 3 ${ echo 4;} ); }
declare -p a
unset a

# function execution with side effects
int=0
incr()
{
	echo incr: $int
	(( int++ ))
}
: ${ incr; }
: ${ incr; }
declare -p int

# expansion inside here-document body
int=0
: <<EOF
${ incr; }
EOF
echo after here-doc: $int

# jobs list in nofork command substitution
sleep 1 &
sleep 1 &

jl1=${ jobs; }
printf '%s\n' "$jl1"

jl2=${ jobs; }
printf '%s\n' "$jl2"

# nofork command substitution doesn't affect the shell's random number sequence
RANDOM=42
echo $RANDOM ${ echo $RANDOM; }

RANDOM=42
echo $RANDOM $RANDOM

# here-documents and other word expansions with comsub/funsub on the rhs

exec 4<<EOF
we should try rhs
${word-$(echo comsub)}
and
${word-${ echo funsub; }}
in here-documents
EOF

cat <&4
exec 4<&-

echo after all they ${word-$(echo work here)}
echo and ${word-${ echo work here; }}