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-rw-r--r--doc-src/en/epgsearch.4.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc-src/en/epgsearch.4.txt b/doc-src/en/epgsearch.4.txt
index 7bdfc82..7db3858 100644
--- a/doc-src/en/epgsearch.4.txt
+++ b/doc-src/en/epgsearch.4.txt
@@ -743,6 +743,17 @@ This will connect to <addr> through the given port and pass the optional given
data. <addr> can be an IP address or the domain name of the TCP service. The result
returned by the service must be terminated with a line feed.
+=head2 Get the length of an argument
+
+When passing any values to the connect or system command it can be helpful to have
+the length of an argument for simple parsing. This can be done with
+
+ %uservar%=length(<any arguments>)
+
+Sample:
+
+%length_title%=length(%title%)
+
=head2 Possible variables
for a list of already builtin variables refer to the section "Customizing the EPG menus"