🔧 Update script metadata and enhance command extraction logic in howto.ts

script-meta-v2.json

@@ -153,12 +153,12 @@
   },
   "howto.ts": {
     "script_name": "howto.ts",
-    "script_length": 2337,
-    "script_sha256": "778267bdb0d5005951090f8e3dc608da507343b06f4c1cc507b9ea797bed64ea",
+    "script_length": 3597,
+    "script_sha256": "741b5f399a75438f7f50f4a8118b8f3ab11a2e752d5056ca4d659f7a26b3333b",
     "script_full_url": "https://git.hatter.ink/hatter/ts-scripts/raw/branch/main/single-scripts/howto.ts",
     "single_script_file": true,
     "publish_time": 1775973075081,
-    "update_time": 1775981177228
+    "update_time": 1776004257105
   },
   "init-cheatsheet.ts": {
     "script_name": "init-cheatsheet.ts",

single-scripts/howto.ts

@@ -38,18 +38,47 @@ howto.ts 'MESSAGE'   - generate command line for MESSAGE
 
     if (!noExec) {
         try {
-            const commandLine = extractCommand(summary);
+            const commandLines = extractCommand(summary);
             console.log(
-                "Found command line: ",
-                term.auto(`[green][[[${commandLine}]]][/]`),
+                "Found command lines: ",
+                term.auto(`[green][[[${commandLines}]]][/]`),
             );
 
-            if (confirm("Execute this command?")) {
-                const status = await execCommandShell("sh", [
-                    "-c",
-                    commandLine,
-                ]);
-                exit(status);
+            if (commandLines.length == 1) {
+                if (confirm("Execute this command?")) {
+                    exit(
+                        await execCommandShell("sh", [
+                            "-c",
+                            commandLines[0],
+                        ]),
+                    );
+                }
+            } else {
+                for (const [i, command] of commandLines.entries()) {
+                    console.log(`# ${i}: ${command}`);
+                }
+                const selectCommandLineIndex = parseInt(
+                    prompt(
+                        "Please select the command line: ",
+                    ),
+                    10,
+                );
+                if (
+                    isNaN(selectCommandLineIndex) ||
+                    selectCommandLineIndex < 0 ||
+                    selectCommandLineIndex >= commandLines.length
+                ) {
+                    log.error(
+                        `Bad command line index: ${selectCommandLineIndex}`,
+                    );
+                } else {
+                    exit(
+                        await execCommandShell("sh", [
+                            "-c",
+                            commandLines[0],
+                        ]),
+                    );
+                }
             }
         } catch (e) {
             log.error("Extract command line failed", e);
@@ -57,20 +86,26 @@ howto.ts 'MESSAGE'   - generate command line for MESSAGE
     }
 }
 
-function extractCommand(summary: string): string {
+function extractCommand(summary: string): string[] {
     const lines = summary.split(/\r?\n/);
-    const sb = [];
+    const codeBlocks: string[] = [];
+    const sb: string[] = [];
     let inCode = false;
     for (const line of lines) {
         if (inCode) {
             if (line.startsWith("```")) {
-                return sb.join("\n");
+                codeBlocks.push(sb.join("\n"));
+                inCode = false;
+            } else {
+                sb.push(line);
             }
-            sb.push(line);
         } else if (line.startsWith("```")) {
             inCode = true;
         }
     }
+    if (codeBlocks.length > 0) {
+        return codeBlocks;
+    }
     throw new Error("Command line not found");
 }
 
@@ -79,5 +114,5 @@ main().catch((err) => {
     process.exit(0);
 }).then(() => process.exit(0));
 
-// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260412T160614+08:00.MEUCIEasEUKkR/P0ESG/IpIB
-// 9turT2yM/EoOpSEwQdlz277qAiEAxCYPwvP563coKn1Ov3wI1icQR3Tesg2Hta0tdIn8f+8=
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260412T223039+08:00.MEQCID73a9pHazHm+d5lLNqX
+// w4YNafpy3qBHxKky88N9b4mCAiAnbuECrSICNjIK/onLSpWLc0MHjpdQyqGgL0B6pU24RQ==