"--lib", Arg.Set_string libdir, "dir Specify directory that contains pa_when.cmo";
"--set", Arg.Unit (set_mode `Set), " Set the variable";
"--start", Arg.Unit (set_mode `Start), "name Start a job manually";
+ "--tail", Arg.Unit (set_mode `Tail), "serial Tail job output";
"--type", Arg.Set_string typ, "bool|int|float|string|unit Set the variable type";
"--upload", Arg.Unit (set_mode `Upload), " Upload the script";
"--variables", Arg.Unit (set_mode `Variables), " Display all variables and values";
);
start_job (List.hd args)
+ | Some `Tail ->
+ if List.length args != 1 then (
+ eprintf "whenjobs --tail serial\n";
+ suggest_help ();
+ exit 1
+ );
+ tail (List.hd args)
+
and edit_file () =
(* If there is no initial file, create an empty one containing the
* tutorial.
);
stop_client client
+ (* This only works for local. If we ever make whenjobs work
+ * remotely we'll have to change the implementation to use
+ * the server.
+ *)
+and tail serial =
+ let client = start_client () in
+ let job = Whenproto_clnt.When.V1.get_job client serial in
+ stop_client client;
+ let cmd =
+ sprintf "tail -f %s/output.txt"
+ (Filename.quote job.Whenproto_aux.job_tmpdir) in
+ exit (Sys.command cmd)
+
and unused_error args op =
if args <> [] then (
eprintf "whenjobs %s: unused parameters on the command line.\n" op;