The if Statement
The if
statement evaluates a logical expression to make a decision. An if
condition has the following format in pdksh
and bash
:
if [ expression ]; then Statementselif [ expression ]; then Statementselse Statementsfi
The if
conditions can be nested. That is, an if
condition can contain another if
condition within it. It isn’t necessary for an if
condition to have an elif
or else
part. The else part is executed if none of the expressions that are specified in the if
statement and are optional if subsequent elif
statements are true. The word fi
is used to indicate the end of the if
statements, which is very useful if you have nested if
conditions. In such a case, you should be able to match ...
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