The case Statement
You use the case
statement to execute statements depending on a discrete value or a range of values matching the specified variable. In most cases, you can use a case
statement instead of an if
statement if you have a large number of conditions.
The format of a case
statement for pdksh
and bash
is as follows:
case str in str1 | str2) Statements;; str3|str4) Statements;; *) Statements;;esac
You can specify a number of discrete values—such as str1
, str2
, and so on—for each condition, or you can specify a value with a wildcard. The last condition should be an asterisk (*
) and is executed if none of the other conditions are met. For each of the specified conditions, all the associated statements until the double ...
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