YARISIM: factor out the file manipulation
tree53c246c97c0c7a49e565859c27eab8302c87edb7
drwxr-xr-x - BeMicro
-rw-r--r-- 17992 COPYING
drwxr-xr-x - Icarus
-rw-r--r-- 2142 README
drwxr-xr-x - shared