old_contents: #! /usr/bin/env node
  'use strict';
  
  const fs = require('fs');
  const path = require('path');
  
  const promisify = require('lagden-promisify');
  const yargs = require('yargs');
  
  const log = require('./verbose-log')(yargs.argv.verbose);
  const mustachePrestatic = require('../src/index.js');
  const writeFile = promisify(fs.writeFile);
  
  const argv = yargs
    .usage(`\nUsage: $0 templateFiles [options]
  Compile pages of static HTML from mustache templates, data and partials.`)
    .demand(1, 'Missing required templateFiles argument.')
    .showHelpOnFail(false)
  
    .option('help', {
      alias: 'h',
      type: 'boolean'
    }).help('help', 'Show help text.')
  
    .option('version', {
      alias: 'v',
      type: 'boolean'
    }).version('version', 'Show version number.', function () {
      return require('../package.json').version;
    })
  
    .option('data', {
      alias: 'd',
      describe: 'Input mustache template data files.',
      type: 'array'
    })
  
    .option('partials', {
      alias: 'p',
      describe: 'Input mustache partial files.',
      type: 'array'
    })
  
    .option('output', {
      alias: 'o',
      default: '.',
      describe: 'Output directory, defaults to current directory.',
      type: 'string'
    })
  
    .option('verbose', {
      describe: 'Log extra information about the process to stdout.',
      type: 'boolean'
    })
    .argv;
  
  const transform = function (templateFiles) {
    log('templateFiles', templateFiles);
    log('data', argv.data);
    log('partials', argv.partials, '\n');
  
    mustachePrestatic(templateFiles, argv.data, argv.partials)
      .then(function (htmlResults) {
        return templateFiles.forEach(function (filePath, index) {
          let outputFileName = path.parse(filePath).name;
          let outputPath = path.join(argv.output, outputFileName) + '.html';
  
          writeFile(outputPath, htmlResults[index], 'utf8')
            .catch(console.error);
        });
      });
  };
  
  transform(argv._);
  
  process.title = 'mustache-prestatic';
  
new_contents: #!/usr/bin/env node
  'use strict';
  
  const fs = require('fs');
  const path = require('path');
  
  const promisify = require('lagden-promisify');
  const yargs = require('yargs');
  
  const log = require('./verbose-log')(yargs.argv.verbose);
  const mustachePrestatic = require('../src/index.js');
  const writeFile = promisify(fs.writeFile);
  
  const argv = yargs
    .usage(`\nUsage: $0 templateFiles [options]
  Compile pages of static HTML from mustache templates, data and partials.`)
    .demand(1, 'Missing required templateFiles argument.')
    .showHelpOnFail(false)
  
    .option('help', {
      alias: 'h',
      type: 'boolean'
    }).help('help', 'Show help text.')
  
    .option('version', {
      alias: 'v',
      type: 'boolean'
    }).version('version', 'Show version number.', function () {
      return require('../package.json').version;
    })
  
    .option('data', {
      alias: 'd',
      describe: 'Input mustache template data files.',
      type: 'array'
    })
  
    .option('partials', {
      alias: 'p',
      describe: 'Input mustache partial files.',
      type: 'array'
    })
  
    .option('output', {
      alias: 'o',
      default: '.',
      describe: 'Output directory, defaults to current directory.',
      type: 'string'
    })
  
    .option('verbose', {
      describe: 'Log extra information about the process to stdout.',
      type: 'boolean'
    })
    .argv;
  
  const transform = function (templateFiles) {
    log('templateFiles', templateFiles);
    log('data', argv.data);
    log('partials', argv.partials, '\n');
  
    mustachePrestatic(templateFiles, argv.data, argv.partials)
      .then(function (htmlResults) {
        return templateFiles.forEach(function (filePath, index) {
          let outputFileName = path.parse(filePath).name;
          let outputPath = path.join(argv.output, outputFileName) + '.html';
  
          writeFile(outputPath, htmlResults[index], 'utf8')
            .catch(console.error);
        });
      });
  };
  
  transform(argv._);
  
  process.title = 'mustache-prestatic';
  
subject: Fix shebang spacing