#
Hashbang to run an rlang script
Usage #!interpreter [<args>] [<file] [<<eof]
#
comment - do nothing#!
list all available interpreters#!python
run python commandline#!python foo.py
run foo.py python script (same as '. foo.py')#!python arg0 a1 <<q
set arg0 and arg1 and read until 'q'