aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel/src/os.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/kernel/src/os.erl')
-rw-r--r--lib/kernel/src/os.erl5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index 742c000cc1..2bded77fc4 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -187,11 +187,14 @@ cmd(Cmd) ->
{unix, _} ->
unix_cmd(Cmd);
{win32, Wtype} ->
- Command = case {os:getenv("COMSPEC"),Wtype} of
+ Command0 = case {os:getenv("COMSPEC"),Wtype} of
{false,windows} -> lists:concat(["command.com /c", Cmd]);
{false,_} -> lists:concat(["cmd /c", Cmd]);
{Cspec,_} -> lists:concat([Cspec," /c",Cmd])
end,
+ %% open_port/2 awaits string() in Command, but io_lib:chars() can be
+ %% deep lists according to io_lib module description.
+ Command = lists:flatten(Command0),
Port = open_port({spawn, Command}, [stream, in, eof, hide]),
get_data(Port, [])
end.