Sample gulpfile for live reload...

gulpfile.js

var gulp = require('gulp'),
    connect = require('gulp-connect'),
    args = require('yargs')
        .alias('p', 'path')
        .demand(['path'])
        .alias('w', 'watch')
        .argv;

gulp.task('connect', function(){
  connect.server({
    root: args.path,
    livereload: true
  });
});

gulp.task('livereload', function(){
  gulp.src(args.watch)
    .pipe(connect.reload());
});

gulp.task('watch', function(){
  args.watch && gulp.watch([ args.watch ], [ 'livereload' ]);
});

gulp.task('open', function(){
  require('child_process').exec('open http://localhost:8080');
});

gulp.task('default', ['connect', 'watch', 'open']);