#   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/>.
#
# test effect of assigning to readonly vars on loops and non-interactive shells
# fatal error when in posix mode
var=foo
readonly var
for num in 1 2 3 4 5; do
	if [ $num -eq 3 ]; then
		var=bar
	fi
	echo $num
done 
echo after readonly assignment

# can't have the variable in a for command be readonly
for var in 1 2 3 4 5; do echo $var; done

# but in posix mode these are fatal errors
(set -o posix
for f in 1 2 3 4; do readonly f; done ; echo after for readonly assignment)

(set -o posix
for var in 1 2 3 4; do echo $var; done; echo after posix for readonly variable)

# same with select 
select var in 1 2 3; do echo $REPLY; done <<<1

(set -o posix
select var in 1 2 3; do echo $REPLY; done <<<1 ; echo after posix select readonly variable)

# non-numeric arguments to break are fatal errors for all non-interactive shells
for f in 1 2 3 4 5
do
	break x
done
echo after loop
