diff --git a/src/failWithError.ts b/src/failWithError.ts
new file mode 100644
index 0000000..52cc177
--- /dev/null
+++ b/src/failWithError.ts
@@ -0,0 +1,7 @@
+export default function failWithError(usage: string, msg?: string) {
+  if (msg !== undefined) {
+    process.stderr.write(`${msg.trim()}\n`);
+  }
+  process.stderr.write(`Usage: ${usage} \n`);
+  process.exit(1);
+}
diff --git a/src/getManifest.ts b/src/getManifest.ts
index 4153ca7..bb8e447 100644
--- a/src/getManifest.ts
+++ b/src/getManifest.ts
@@ -1,24 +1,19 @@
+import failWithError from './failWithError';
 import IManifest from './interfaces/IManifest';
 import { Product } from './interfaces/ISettings';
 import getManifest from './ssn/getManifest';
 import verifyProductName from './ssn/verify/verifyProductName';
 
-function failWithError(msg?: string) {
-  if (msg !== undefined) {
-    process.stderr.write(msg);
-  }
-  process.stderr.write('Usage: node dist/getManifest.js <product>');
-  process.exit(1);
-}
+const failFunction = failWithError.bind(null, 'node dist/getManifest.js <product>');
 
-if (process.argv.length !== 2) {
-  failWithError(`Error: Expected 1 argument but ${process.argv.length - 1} arguments were supplied.`);
+if (process.argv.length !== 3) {
+  failFunction(`Error: Expected 1 argument but ${process.argv.length - 2} arguments were supplied.`);
 }
 
 //Check that product name is valid
-const product = process.argv[1];
+const product = process.argv[2];
 if (!verifyProductName(product)) {
-  failWithError(`Error: "${product} is not a valid product name.`);
+  failFunction(`Error: "${product} is not a valid product name.`);
 }
 
 //Get manifest and write output to console
diff --git a/src/getSolidpkg.ts b/src/getSolidpkg.ts
index 442b2d7..7020f28 100644
--- a/src/getSolidpkg.ts
+++ b/src/getSolidpkg.ts
@@ -1,34 +1,29 @@
+import failWithError from './failWithError';
 import { Product } from './interfaces/ISettings';
 import ISolidSimple from './interfaces/ISolidSimple';
 import getSolidpkg from './ssn/getSolidpkg';
 import verifyProductName from './ssn/verify/verifyProductName';
 
-function failWithError(msg?: string) {
-  if (msg !== undefined) {
-    process.stderr.write(msg);
-  }
-  process.stderr.write('Usage: node dist/getSolidpkg.js <product> <from> <to>');
-  process.exit(1);
-}
+const failFunction = failWithError.bind(null, 'node dist/getSolidpkg.js <product> <from> <to>');
 
-if (process.argv.length !== 4) {
-  failWithError(`Error: Expected 3 arguments but ${process.argv.length - 1} arguments were supplied.`);
+if (process.argv.length !== 5) {
+  failFunction(`Error: Expected 3 arguments but ${process.argv.length - 2} arguments were supplied.`);
 }
 
 //Check that product name is valid
-const product = process.argv[1];
+const product = process.argv[2];
 if (!verifyProductName(product)) {
-  failWithError(`Error: "${product.substring(0, 300)}" is not a valid product name.`);
+  failFunction(`Error: "${product.substring(0, 300)}" is not a valid product name.`);
 }
 
 //Check that from and to are valid numbers
-const from = process.argv[4];
-const to = process.argv[3];
+const from = process.argv[3];
+const to = process.argv[4];
 if (!from.match(/^(-1|0|[1-9][0-9]{0,2})$/)) {
-  failWithError(`Error: from value "${from.substring(0, 300)}" is not a valid integer; it must be in range [-1, 999].`);
+  failFunction(`Error: from value "${from.substring(0, 300)}" is not a valid integer; it must be in range [-1, 999].`);
 }
 if (!to.match(/^(0|[1-9][0-9]{0,2})$/)) {
-  failWithError(`Error: to value "${to.substring(0, 300)}" is not a valid integer; it must be in range [0, 999].`);
+  failFunction(`Error: to value "${to.substring(0, 300)}" is not a valid integer; it must be in range [0, 999].`);
 }
 
 //Get solidpkg and write output to console