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shopt -s expand_aliases
: ${TMPDIR:=/var/tmp}
echo '((echo abc; echo def;); echo ghi)' > $TMPDIR/x28-$$
. $TMPDIR/x28-$$
rm -f $TMPDIR/x28-$$
echo after
TMPFILE=$TMPDIR/x29-$$
echo "#! ${THIS_SH}" >$TMPFILE
cat >> $TMPFILE << \EOF
(echo -n "$1 "; echo subshell)
EOF
chmod 755 $TMPFILE
alias foo1='$TMPFILE one.1; source $TMPFILE two.1; source $TMPFILE three.1; $TMPFILE four.1'
alias foo2='$TMPFILE one.2;
source $TMPFILE two.2;
source $TMPFILE three.2;
$TMPFILE four.2;
'
foo1
foo2
echo x29 - done
rm -f $TMPFILE
# this is also treated similarly to an alias expansion internally
((echo abc; echo def;); echo ghi)
if (((4+4) + (4 + 7))); then
echo ok
fi
(()) # make sure the null expression works OK
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