nodejs
diff --git a/Collapse file
‎test/parallel/test-pipe-head.js‎
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+10-10Lines changed: 10 additions & 10 deletions b/Collapse file
‎test/parallel/test-pipe-head.js‎
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+10-10Lines changed: 10 additions & 10 deletions
@@ -1,17 +1,17 @@
 'use strict';
-var common = require('../common');
-var assert = require('assert');
+const common = require('../common');
+const assert = require('assert');
 
-var exec = require('child_process').exec;
-var join = require('path').join;
+const exec = require('child_process').exec;
+const join = require('path').join;
 
-var nodePath = process.argv[0];
-var script = join(common.fixturesDir, 'print-10-lines.js');
+const nodePath = process.argv[0];
+const script = join(common.fixturesDir, 'print-10-lines.js');
 
-var cmd = '"' + nodePath + '" "' + script + '" | head -2';
+const cmd = `"${nodePath}" "${script}" | head -2`;
 
 exec(cmd, common.mustCall(function(err, stdout, stderr) {
-  if (err) throw err;
-  var lines = stdout.split('\n');
-  assert.equal(3, lines.length);
+  assert.ifError(err);
+  const lines = stdout.split('\n');
+  assert.strictEqual(3, lines.length);
 }));