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= The case Statement
.Syntax
[source,unlang]
----
case [ <match> ] {
[ statements ]
}
----
The `case` statement is used to match data inside of a
xref:switch.adoc[switch] statement. The `case` statement cannot be used
outside of a xref:switch.adoc[switch] statement.
The `<match>` text can be an attribute reference such as `&User-Name`,
or it can be a xref:type/string/index.adoc[string]. If the match
text is a dynamically expanded string, then the match is performed on
the output of the string expansion.
The keyword `default` can be used to specify the default action to
take inside of a xref:switch.adoc[switch] statement.
If no `<match>` text is given, it means that the `case` statement is
the "default" and will match all which is not matched by another
`case` statement inside of the same xref:switch.adoc[switch].
.Example
[source,unlang]
----
switch &User-Name {
case "bob" {
reject
}
case &Filter-Id {
reject
}
default {
ok
}
}
----
// Copyright (C) 2020 Network RADIUS SAS. Licenced under CC-by-NC 4.0.
// Development of this documentation was sponsored by Network RADIUS SAS.
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