in reply to Web application framework and Smartphone apps

JSON is usually a good choice for client/server communication. Just because the client is a mobile device makes little difference. It also has good support from Perl in the form of the core JSON module and also the faster JSON::XS. JSON has good support in other langauges too which will be needed at the client end.

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Re^2: Web application framework and Smartphone apps
by marto (Cardinal) on Apr 06, 2021 at 09:29 UTC
      Nonetheless, JSON is a standard, and Perl has full support for it as do most other languages today. Hand it a string, get a data structure. Hand it a data structure, get a string. Treat the conversion process as a black box.