In Emacs, Everything Looks Like a Service

5 hours ago

Emacs is not an operating system but orchestrates applications and utilities above the OS kernel, enabling users to 'live only in Emacs' by fulfilling many computing needs through client modes.
The client-server model partitions tasks between a service (provider) and a client (requester), with Emacs providing built-in and third-party libraries for implementing clients, handling UI, client-edge communication, and local databases.
Emacs Lisp (Elisp) is a dynamic language allowing high improvisation, enabling complex orchestration of behaviors, from Elisp functions to shell commands, with examples like building a weather client using wttr.in via HTTP requests and JSON processing.
Emacs abstracts APIs at a high level, making it easy to build clients with minimal code, as shown by the 67-line wttr.el example, or by integrating command-line utilities like a Python script as a 'service' for simpler implementations.

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