#   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/>.
#
THIS=alias2
FN=$TMPDIR/$THIS.script

cat > $FN <<'EOF'
#
(echo "$1")
EOF
chmod u+x $FN

shopt -s expand_aliases

alias foo1='$FN one; source $FN two; source $FN three; $FN four'

alias foo2='$FN one
source $FN two
source $FN three
$FN four'

foo1
foo2

rm -f $FN
