* read a file into a string or several files into a map of path names to strings
* download a file or set of files to a temporary file (on a mounted file system)
* get the SHA1 hash of a file
* read a file into a string or several files into a map of path names to strings
* download a file or set of files to a temporary file (on a mounted file system)
* get the SHA1 hash of a file