lib/opts: clients of `errors` use `join("\n")`

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/examples/nitcorn/src/file_server_on_port_80.nit b/examples/nitcorn/src/file_server_on_port_80.nit
index cf91d9f..a0b6e08 100644 (file)
--- a/examples/nitcorn/src/file_server_on_port_80.nit
+++ b/examples/nitcorn/src/file_server_on_port_80.nit
@@ -33,7 +33,7 @@ opts.parse(args)
 
 # Check options errors and help
 if not opts.errors.is_empty or opt_help.value then
-       print opts.errors
+       print opts.errors.join("\n")
        print "Usage: file_server [Options]"
        opts.usage
        exit 1

diff --git a/lib/privileges/examples/drop_privileges.nit b/lib/privileges/examples/drop_privileges.nit
index 932a87b..a35ca17 100644 (file)
--- a/lib/privileges/examples/drop_privileges.nit
+++ b/lib/privileges/examples/drop_privileges.nit
@@ -28,7 +28,7 @@ opts.add_option(opt_ug)
 # parse and check command line options
 opts.parse(args)
 if not opts.errors.is_empty then
-       print opts.errors
+       print opts.errors.join("\n")
        print "Usage: drop_privileges [options]"
        opts.usage
        exit 1