zwoop commented on code in PR #12304:
URL: https://github.com/apache/trafficserver/pull/12304#discussion_r2153304495
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doc/admin-guide/plugins/header_rewrite.en.rst:
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@@ -142,6 +142,23 @@ with the word ``else``. The following example illustrates
this::
The ``else`` clause is not a condition, and does not take any flags, it is
of course optional, but when specified must be followed by at least one
operator.
+You can also do an ``elif`` (else if) clause, which is specified by starting a
new line
+with the word ``elif``. The following example illustrates this::
+
+ cond %{STATUS} >399 [AND]
+ cond %{STATUS} <500
+ set-status 404
+ elif
+ cond %{STATUS} =503
+ set-status 502
+ else
+ set-status 503
+
+Keep in mind that nesting the ``else`` and ``elif`` clauses is not allowed,
but any
+number of ``elif`` clauses can be specified. We can consider these clauses are
more
+powerful and flexible ``switch`` statement. In an ``if-elif-else`` rule, only
one
+will be evaluate its operators.
Review Comment:
Added.
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