Geany Mini-Script filter plugin

 This plugin is a tool to apply a script filter on:
  - the text selection,
  - the current document,
  - all documents of the current session.
 .
 The filter type can be:
  - Unix shell script,
  - Perl script,
  - Python script,
  - sed commands,
  - awk script.
 .
 The output can be:
  - the selection of the current document,
  - all the current document,
  - or a new document.
 .
 Geany is a small and lightweight integrated development environment using the
 Gtk+ toolkit.