File: varenv1.sub

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#   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 out the export behavior of variable assignments preceding `eval', `.'
# and shell functions

func()
{
	printenv var
}

export var=10
echo expect 20
var=20 eval printenv var

: ${TMPDIR:=/tmp}
TMPFILE=$TMPDIR/evalsub.$$

rm -f $TMPFILE
echo 'printenv var' > $TMPFILE

echo expect 30
var=30 . $TMPFILE

rm -f $TMPFILE

echo expect 40
var=40 func

echo expect 50
var=50 command printenv var

# this behaves the same in bash and posix mode
export -n var	# make sure it's not exported
echo expect 60
var=60 export var
declare -p var

# this behaves differently in bash and posix mode: `.' is a special builtin
unset -v var
var=outside
echo 'var=assignment' >$TMPFILE

echo expect outside
var=temp . $TMPFILE
echo $var

set -o posix
echo expect assignment
var=temp . $TMPFILE
echo $var

rm -f $TMPFILE
unset -v var