OSX EMFILE issue with gulp

setup.sh

# After finished just run `gulp`
mkdir gulptest && cd gulptest
mkdir js
cat <<EOF > js/test.js
function foo() {
    console.log("bar");
}
EOF
for n in {001..242}; do
    cp js/test.js js/test-$n.js
done
cat <<EOF > Gulpfile.js
var gulp = require('gulp'); 
var jshint = require('gulp-jshint');
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var rename = require('gulp-rename');
gulp.task('lint', function() {
  gulp.src('./js/*.js')
    .pipe(jshint())
    .pipe(jshint.reporter('default'));
});
gulp.task('scripts', function() {
  gulp.src('./js/*.js')
    .pipe(concat('all.js'))
    .pipe(gulp.dest('./dist'))
    .pipe(rename('all.min.js'))
    .pipe(uglify())
    .pipe(gulp.dest('./dist'));
});
gulp.task('default', function(){
  gulp.run('lint', 'scripts');
});
EOF
npm install gulp gulp-jshint gulp-concat gulp-uglify gulp-rename