diff options
author | Robin Gareus <robin@gareus.org> | 2017-08-09 15:04:42 +0200 |
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committer | Robin Gareus <robin@gareus.org> | 2017-08-10 02:26:16 +0200 |
commit | 8fbc2c64842d5dc637dbe16e2d312545d1cff18b (patch) | |
tree | 9690d8c22003506a357212d3c4f1788719fd36f2 /scripts/_system_exec.lua | |
parent | e983e08f1d70bc872aa4c8cc11afb2c739e9981d (diff) |
Add some more Lua script examples
Diffstat (limited to 'scripts/_system_exec.lua')
-rw-r--r-- | scripts/_system_exec.lua | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/scripts/_system_exec.lua b/scripts/_system_exec.lua new file mode 100644 index 0000000000..281f5dee0b --- /dev/null +++ b/scripts/_system_exec.lua @@ -0,0 +1,20 @@ +ardour { ["type"] = "EditorAction", name = "System Exec" } + +function factory () return function () + -- ** EXAMPLES TO RUN EXTERNAL APPLICATIONS ** -- + + -- run a command in a shell and wait for it to complete. + -- + -- Details: basically just system(3), except on Unix like systems with + -- memory-locking, this call is special-cased to use vfork and close + -- file-descriptors. On other systems it defaults to Lua's os-library + -- built-in os.execute system() call. + os.execute ("date > /tmp/testdate") + + -- os.forkexec() works as fire-and-forget. execv(3) style + -- + -- Details: It calls vfork() and exec() under the hood, passing each + -- argument separately to exec (and needs a full-path to the binary). + os.forkexec ("/usr/bin/xterm") + os.forkexec ("/bin/sh", "-c", "import --frame \"/tmp/scr_$(date).png\"") +end end |