diff --git a/noerr b/noerr
new file mode 100755
index 0000000..195a26d
--- /dev/null
+++ b/noerr
@@ -0,0 +1,4 @@
+#!/bin/bash
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+[ $# -gt 0 ] || exit 0
+"$@" 2>/dev/null
diff --git a/noerror b/noerror
new file mode 100755
index 0000000..547dc1b
--- /dev/null
+++ b/noerror
@@ -0,0 +1,4 @@
+#!/bin/bash
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+[ $# -gt 0 ] || set :
+"$@" || exit 0
diff --git a/noout b/noout
new file mode 100755
index 0000000..8f5b5d9
--- /dev/null
+++ b/noout
@@ -0,0 +1,4 @@
+#!/bin/bash
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+[ $# -gt 0 ] || exit 0
+"$@" >/dev/null