Extract material icons svg files from repo

gulpfilee.js

// create a simple task to take out svg from production and save it elsewhere
const gulp = require('gulp');
var rename = require('gulp-rename');
var path = require('path');

exports.extract = function(){
    // from **/svg/production to /
    return gulp.src('./**/svg/production/*24px.svg', {base: '.'})
    .pipe(rename(function(file) {
        file.dirname = '../output/' + file.dirname.split(path.sep)[0];
    }))
    .pipe(gulp.dest('../output'));
};