7.4. Nested if/then Condition Tests
Condition tests using the if/then
construct may be nested. The net result is identical to using the
&& compound comparison operator above.
if [ condition1 ]
then
if [ condition2 ]
then
do-something # But only if both "condition1" and "condition2" valid.
fi
fi |
See Example 34-4 for an example of nested
if/then condition tests.