reformat json: read filename and write it again in the same name

json-reformat.sh

#!/usr/bin/env/bash
# reformat json: read filename and write it again in the same name
#
# read JSON file and save it again reformatted
# 
# usage:
# `reformat my.json`
reformat(){
  node -e "
var fs = require('fs')
fs.readFile('$1', 'utf8', function (err,data) {
  if (err) {
    return console.log(err);
  }

  var result = JSON.stringify(JSON.parse(data), null, 2);
  //console.log(result);

  fs.writeFile('$1', result, 'utf8', function (err) {
     if (err) return console.log(err);
  });
});
  "
}