feat: working filesystem

src/program/Rm.ts

@@ -0,0 +1,35 @@
+import { Item } from '../fs/Item'
+import type { SimpleStream } from '../utils/SimpleStream'
+import { Program } from './Program'
+
+export class Rm extends Program {
+    constructor() {
+        super()
+    }
+
+    async Exec(_: SimpleStream<string>, stdout: SimpleStream<string>, workdir: Item, args: string[]): Promise<number> {
+        if (!args[1]) {
+            stdout.emit("rm: error: missing first argument\n")
+            return 1
+        }
+
+        let item: Item
+
+        try {
+            item = await Item.openDir(args[1])
+        } catch {
+            item = await Item.open(args[1])
+        }
+
+        if (!(await item.Exists())) {
+            stdout.emit(`rm: error: item ${item.GetPath()} doesn't exist.\n`)
+            return 1
+        }
+
+        stdout.emit(`removing: '${item.GetPath()}'\n`)
+
+        await item.Delete()
+
+        return 0
+    }
+}