-- public domain 20080404 lua@ztact.com


require 'luashell'
luashell.setfenv ()


do
  local s = '3 4 5 6 7 8'
  s = table.concat ({luashell.expand ('1 2 $s 9')}, ' ')
  print (s)
  assert (s == '1 2 3 4 5 6 7 8 9')
  end


print (luashell.expand ('$HOME'))
ls '-l'
cd '.unit'
ls '-l'