move hexdump to function

test/packer.js

@@ -26,6 +26,10 @@
   var ui8 = new Uint8Array(ab);
   //console.log(ui8);
   var bytecount = 0;
+
+  function hexdump() {
+    var head = '        0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F';
+    var trail;
     var str = [].slice.call(ui8).map(function (i) {
       var h = i.toString(16);
       if (h.length < 2) {
@@ -42,17 +46,18 @@
 
       return lead + ' ' + str;
     }).join('\n');
-  var trail = ab.byteLength.toString(16);
+    trail = ab.byteLength.toString(16);
     while (trail.length < 7) {
       trail = '0' + trail;
     }
+    return head + '\n' + str + '\n' + trail
+  }
 
   console.log('');
   console.log('DEBUG with hexdump: ');
   console.log('hexdump ' + onefile.replace(/\.[^\.]*$/, '.bin'));
   console.log('');
-  console.log('        0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F');
-  console.log(str + '\n' + trail);
+  console.log(hexdump(ui8));
   console.log('');
 
   console.error('');