[Lua + Gio] Subprocess

GioSubprocess.lua

local lgi = require("lgi")
local Gio = lgi.require("Gio", "2.0")

--[[ Arguments:
  1 (table): The first element is the commandline process name, the rest are commandline arguments
  2 (table): A list of Gio.SubprocessFlags
]]
local sub = Gio.Subprocess.new(
  { "echo", "Hello", "world!" },
  { Gio.SubprocessFlags.NONE, Gio.SubprocessFlags.STDOUT_PIPE }
)

-- Synchronously wait for the subprocess to terminate
if sub:wait() then
  local data = Gio.DataInputStream.new(sub:get_stdout_pipe())
  local line = data:read_line()

  while line ~= nil do
    print(line .. "\n")
    line = data:read_line()
  end
end