tldr/pages/common/clj.md

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# clj
> Clojure tool to start a REPL or invoke a specific function with data.
> All options can be defined in a `deps.edn` file.
> More information: <https://clojure.org/guides/deps_and_cli>.
- Start a REPL (interactive shell):
`clj`
- Execute a function:
`clj -X {{namespace/function_name}}`
- Run the main function of a specified namespace:
`clj -M -m {{namespace}} {{args}}`
- Prepare a project by resolving dependencies, downloading libraries, and making / caching classpaths:
`clj -P`
- Start an nREPL server with the CIDER middleware:
`clj -Sdeps '{:deps {nrepl {:mvn/version "0.7.0"} cider/cider-nrepl {:mvn/version "0.25.2"}}}' -m nrepl.cmdline --middleware '["cider.nrepl/cider-middleware"]' --interactive`
- Start a REPL for ClojureScript and open a web browser:
`clj -Sdeps '{:deps {org.clojure/clojurescript {:mvn/version "1.10.758"}}}' --main cljs.main --repl`