Scripting r2 in Vala

Under some situations you need to automatize or extend the features of radare. There are so many scripting languages out there: python, ruby, perl, lua between others. All of them are supported by the radare package and you can use them from inside r2 using r_lang plugins and the ‘#!’ command or externally with the r2-swig. The main issue on scripting languages is performance. The code is interpreted and all the api bindings are wrapped, so linked list accesses and function calls are highly penalized.
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