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Open Programming Language

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The Open Programming Language (OPL) is a programming language for das Symbian OS that can be found on the Nokia 9200 Communicator series. The language was originally called Organiser Programming Language, but after the project was changed to open source, the acronym was re-interpreted. The language is now developed on SourceForge in the opl-dev project.

OPL is an interpreted language similar to BASIC. Here is a small "Hello World" program:

PROC main:
  PRINT "Hello World"
  PAUSE 40
ENDP

(Source code taken from the PCDevPrimer in the OPL Wiki. There it's linked under Ewan Spence, see cache4-popl.server.ntli.net and panix1.panix.com. GNU-FDL)