babashka command to watch a folder for changes to .zig-files

zig_watch.clj

#!/usr/bin/env bb

(if *command-line-args*
  (def in (str (first *command-line-args*)))
  (do
    (println "Which bin to run?")
    (def in (str *input*))))

(println "Watching" "*.zig" "->" (str "./" in))

(require '[babashka.pods :as pods])
(pods/load-pod "pod-babashka-filewatcher")

(require '[pod.babashka.filewatcher :as fw])

(def chan (fw/watch "." {:delay-ms 0}))

(require '[clojure.core.async :as async])
(loop [] 
  (let [res (async/<!! chan)]
    #_(prn res)
    (when (and (#{"write" "create"} (:type res))
               (str/ends-with? (:path res) ".zig"))
      (println (str "\n>> Compiling " (:path res) "..."))
      (let [{:keys [out err]} (shell/sh "zig" "build-exe" (str in ".zig"))]
        (when (seq out)
          (println out))
        (when (seq err)
          (println err)))
      (let [{:keys [out err]} (shell/sh (str "./" in))]
        (when (seq out)
          (println out))
        (when (seq err)
          (println err))))
    (recur)))