Add drop, sort commands, start tail command; implement support for destructuredOrLines match type; misc fixes

src/vm/output.ts

@@ -2,12 +2,15 @@ import {StrRVal} from "./commands/command.js";
 import {Awaitable} from "../util/types.js";
 import childProcess from "node:child_process";
 import fs from "node:fs";
-import crypto from "node:crypto";
 import {tempFile} from "../util/fs.js";
 
 export const getSubjectDisplay = (sub: StrRVal): string => {
     if ( sub.term === 'string' ) {
-        return sub.value
+        const lines = sub.value.split('\n')
+        const padLength = `${lines.length}`.length  // heh
+        return lines
+            .map((line, idx) => idx.toString().padStart(padLength, ' ') + ' ⎸' + line)
+            .join('\n')
     }
 
     if ( sub.term === 'int' ) {