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joplin notion extension/Web Development/nodejs/bash commands in nodejs.md

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+bash commands in nodejs
+
+```js
+const { exec } = require('child_process');
+const util = require('util');
+const execPromise = util.promisify(exec);
+
+async function runCommand() {
+  try {
+    const { stdout, stderr } = await execPromise('echo "Hello from Bash!"');
+    console.log(stdout);
+  } catch (error) {
+    console.error(`Error: ${error.message}`);
+  }
+}
+
+runCommand();
+
+```