ErrorMsg.error NONE (msg s)
end
+fun run (program, argv) =
+ let
+ val proc = Unix.execute (program, argv)
+
+ fun loop inf =
+ case TextIO.inputLine inf of
+ NONE => ()
+ | SOME line => loop inf
+ (* Programs that output will fail unless we eat their output *)
+ val () = loop (Unix.textInstreamOf proc)
+ in
+ OS.Process.isSuccess (Unix.reap proc)
+ end
+
+fun shellOutput ss =
+ let
+ val proc = Unix.execute ("/bin/bash", ["-c", String.concat ss ^ " 2>&1"])
+ val inf = Unix.textInstreamOf proc
+
+ fun loop out =
+ case TextIO.inputLine inf of
+ NONE => String.concat (rev out)
+ | SOME line => loop (line :: out)
+
+ val lines = loop []
+ in
+ print lines;
+ if OS.Process.isSuccess (Unix.reap proc) then
+ NONE
+ else
+ SOME lines
+ end
+
fun hostname () =
let
val inf = TextIO.openIn "/etc/hostname"