diff --git a/bin/dcmjs.js b/bin/dcmjs.js
index 3a65263..8232c95 100755
--- a/bin/dcmjs.js
+++ b/bin/dcmjs.js
@@ -44,4 +44,14 @@ program.command('modify')
     writeDicom(options.out, dicomDict);
   })
 
+  program.command('rewrite')
+  .description('Change values in the dicom header')
+  .argument('<part10in>', 'part 10 input file path')
+  .option('-l, --logLevel <level>', 'logging level, TRACE, DEBUG, INFO, WARN, ERROR, default: WARN')
+  .option('-o, --out <part10out>', 'part 10 output file path')
+  .action(async (fileName, options) => {
+    let dicomDict = readDicom(fileName);
+    writeDicom(options.out, dicomDict);
+  })
+
 program.parse();