applets_sh/nologin: an applet implemented as shell script

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/applets_sh/nologin b/applets_sh/nologin
new file mode 100755 (executable)
index 0000000..3768eaa
--- /dev/null
+++ b/applets_sh/nologin
@@ -0,0 +1,4 @@
+#!/bin/sh
+cat /etc/nologin.txt 2>/dev/null || echo "This account is not available"
+sleep 5
+exit 1