readr::read_file("../FOSSGIS-workshop/quakes.rmd") %>% cat()  
## ---
## title: "quakes"
## author: "stefan"
## date: "19 Februar 2017"
## output:
##   html_document:
##     theme: united
##     self_contained: yes
## ---
## 
## ```{r setup, include=FALSE}
## knitr::opts_chunk$set(echo = TRUE)
## ```
## 
## ```{r quakes, message=FALSE}
## library(leaflet)
## 
## leaflet(data = quakes[1:10, ], width = 800) %>% addTiles() %>%
##   addMarkers(popup = ~ sprintf("%s, %s</br><b>%s</b>", long, lat, mag))
## ```