add bins and alternatives

data/home/.local/bin/randomize_filename.ts

@@ -0,0 +1,17 @@
+#!/bin/env -S deno run -A
+
+import { basename, dirname } from "https://deno.land/std@0.187.0/path/mod.ts";
+
+const files = Deno.args;
+
+function rand_int(ceil = 1000) {
+  return Math.floor(Math.random() * ceil);
+}
+
+const keyed = files.map((name) => ({ key: rand_int(files.length), name }));
+keyed.sort(({ key: a }, { key: b }) => (a - b));
+await Promise.all(keyed.map(({ name }, index) => {
+  const dir = dirname(name);
+  const base = basename(name);
+  return Deno.rename(`${dir}/${base}`, `${dir}/${index}_${base}`);
+}));