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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/>.
#
fff()
{
typeset i=0 x=10
echo "|$i|$x|"
export x
printenv x
}
fff2()
{
echo "|$x|"
export x
printenv x
}
fff3()
{
typeset i=0 x="${x-10}"
echo "|$i|$x|"
}
fff4()
{
typeset i=0 x
x="${x-10}"
echo "|$i|$x|"
}
fff5()
{
z=y typeset z
echo "|$z|"
}
fff
x=10 fff
x=1 fff
x=4 fff2
# set this because variable assignments preceding functions should never
# persist after the function returns, no matter what a builtin inside the
# function does to them
x=4
x=11 fff3
echo after fff3: x=$x
x=12 fff4
fff5
z=42 fff5
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