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+A quick general overview of SCPI command syntax is:
+http://na.tm.agilent.com/pna/help/latest/Programming/Learning_about_GPIB/The_Rules_and_Syntax_of_SCPI_Commands.htm
+
+A good, clean C library for implementing end devices:
+https://github.com/j123b567/scpi-parser
+
+The "usual" way to talk to devices which speak SCPI is using VISA libraries,
+which are supplied by vendors like National Instruments or Agilent. Some of
+these are released for Linux, but they aren't open. There don't seem to be any
+non-vaporware Linux VISA libraries which aren't just wrappers around
+proprietary drivers; the python-ivi library comes closest? It seems to be best
+to simply talk raw serial using PySerial or similar.