awesome/utils.lua

   1 local utils = { }
   2
   3 local host = io.popen("hostname")
   4 utils.host = host:read("*l")
   5
   6 function utils.run_or_kill(command)
   7     -- Check throught the clients if the class match the command
   8     local lower_command=string.lower(command)
   9     for k, c in pairs(client.get()) do
  10         -- apparently some steam games don't have a client class
  11         if c.class ~= nil then
  12             local class=string.lower(c.class)
  13             if string.match(class, lower_command) then
  14                 for i, v in ipairs(c:tags()) do
  15                     c:kill()
  16                     return
  17                 end
  18             end
  19         end
  20     end
  21     awful.util.spawn(command)
  22 end
  23
  24 return utils