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Diffstat (limited to 'source/rainerscript/functions/rs-getenv.rst')
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diff --git a/source/rainerscript/functions/rs-getenv.rst b/source/rainerscript/functions/rs-getenv.rst new file mode 100644 index 0000000..0035a8b --- /dev/null +++ b/source/rainerscript/functions/rs-getenv.rst @@ -0,0 +1,23 @@ +******** +getenv() +******** + +Purpose +======= + +getenv(str) + +Like the OS call, returns the value of the environment variable, +if it exists. Returns an empty string if it does not exist. + + +Examples +======== + +The following example can be used to build a dynamic filter based on +some environment variable: + +.. code-block:: none + + if $msg contains getenv('TRIGGERVAR') then /path/to/errfile + |