1 ardour { ["type"] = "EditorAction", name = "System Exec" }
3 function factory () return function ()
4 -- ** EXAMPLES TO RUN EXTERNAL APPLICATIONS ** --
6 -- run a command in a shell and wait for it to complete.
8 -- Details: basically just system(3), except on Unix like systems with
9 -- memory-locking, this call is special-cased to use vfork and close
10 -- file-descriptors. On other systems it defaults to Lua's os-library
11 -- built-in os.execute system() call.
12 os.execute ("date > /tmp/testdate")
14 -- os.forkexec() works as fire-and-forget. execv(3) style
16 -- Details: It calls vfork() and exec() under the hood, passing each
17 -- argument separately to exec (and needs a full-path to the binary).
18 os.forkexec ("/usr/bin/xterm")
19 os.forkexec ("/bin/sh", "-c", "import --frame \"/tmp/scr_$(date).png\"")