-
--[[
-
- Licensed under GNU General Public License v2
- * (c) 2013, Luke Bonham
-
---]]
+ Licensed under GNU General Public License v2
+ * (c) 2013, Luca CPZ
+--]]
+
+local spawn = require("awful.spawn")
+local timer = require("gears.timer")
local debug = require("debug")
local io = { lines = io.lines,
- open = io.open,
- popen = io.popen }
+ open = io.open }
local rawget = rawget
local table = { sort = table.sort }
-local easy_async = require("awful.spawn").easy_async
-local timer = require("gears.timer")
-local wibox = require("wibox")
-
-- Lain helper functions for internal use
-- lain.helpers
local helpers = {}
-- {{{ Pipe operations
--- return the full output of an input command (synchronous pipe)
--- @param cmd the input command
--- @return command output (string)
-function helpers.read_pipe(cmd)
- local f = io.popen(cmd)
- local output = f:read("*all")
- f:close()
- return output
-end
-
-- run a command and execute a function on its output (asynchronous pipe)
-- @param cmd the input command
-- @param callback function to execute on cmd output
-- @return cmd PID
function helpers.async(cmd, callback)
- return easy_async(cmd,
+ return spawn.easy_async(cmd,
+ function (stdout, stderr, reason, exit_code)
+ callback(stdout, exit_code)
+ end)
+end
+
+-- like above, but call spawn.easy_async with a shell
+function helpers.async_with_shell(cmd, callback)
+ return spawn.easy_async_with_shell(cmd,
function (stdout, stderr, reason, exit_code)
- callback(stdout)
+ callback(stdout, exit_code)
end)
end
+-- run a command and execute a function on its output line by line
+function helpers.line_callback(cmd, callback)
+ return spawn.with_line_callback(cmd, {
+ stdout = function (line)
+ callback(line)
+ end,
+ })
+end
+
-- }}}
-- {{{ A map utility
end
end
--- create a textbox with no spacing issues
-function helpers.make_widget_textbox()
- local w = wibox.widget.textbox()
- local t = wibox.widget.base.make_widget(w)
- t.widget = w
- return t
-end
-
-- }}}
return helpers