Added support for a file template

README.md

@@ -26,6 +26,7 @@ npm install --global fony
     -h, --help                 output usage information
     -V, --version              output the version number
     -t, --template <template>  JSON template for data to be generated
+    -f, --file <filename>      File with a JSON template for data to be generated
     -c, --count [count]        The number of elements to create, defaults to 1
 
 ```

examples/test1.json

@@ -0,0 +1,5 @@
+{
+  "name": "name",
+  "age": "age",
+  "phone": "phone"
+}

src/index.js

@@ -1,6 +1,7 @@
 #! /usr/bin/env node
 'use strict';
 
+const fs = require('fs');
 const program = require('commander');
 
 const _version_ = require('../package.json').version;
@@ -11,12 +12,27 @@ program
 
 program
   .option('-t, --template <template>', 'JSON template for data to be generated')
+  .option('-f, --file <filename>', 'File with a JSON template')
   .option('-c, --count [count]', 'The number of elements to create, defaults to 1', 1)
   .parse(process.argv);
 
+
+if (program.template && program.file) {
+  return console.error('Cannot have both --file and --template arguments!');
+}
+if (!(program.template || program.file)) {
+  return console.error('Must have one of --file and --template arguments!');
+}
+
+var templateSource = program.template;
 var template;
+
 try {
-  template = JSON.parse(program.template);
+  if (program.file) {
+    templateSource = fs.readFileSync(program.file);
+  }
+
+  template = JSON.parse(templateSource);
 } catch (error) {
   return console.log(error);
 }