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The Guile actions are invoked from the RULE
section using the
guile-process
command. Its syntax is:
To pass keyword arguments to the function, use the usual Scheme notation: `#:key'.
As an example, let's consider the invocation of the fix-subject
function, defined in the previous subsection:
guile-process fix-subject <<-EOT ---------- Kind regards, Antonius Block EOT |
In this example, the additional argument (a string of three lines) is passed to the function, which will add it to the message of the body.