skeleton.Rd
This function executes a ubuntu docker that produces as output helloworld.txt file
skeleton(group = c("sudo", "docker"), scratch.folder, data.folder)
a character string. Two options: sudo or docker, depending to which group the user belongs
a character string indicating the path of the scratch folder
a character string indicating the folder where input data are located and where output will be written
if (FALSE) {
#running skeleton
skeleton(group="docker", scratch.folder="/Users/raffaelecalogero/Desktop/scratch",
data.folder=getwd())
}