From 870ccd17ef1b1d4b94ba13b5140130306dac51c7 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Mon, 31 Dec 2018 13:12:17 +1300
Subject: Add a cheeky error message to sd()

---
 sh/shrc.d/sd.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sh/shrc.d/sd.sh b/sh/shrc.d/sd.sh
index a901bb51..10597832 100644
--- a/sh/shrc.d/sd.sh
+++ b/sh/shrc.d/sd.sh
@@ -49,6 +49,12 @@ sd() {
     # Read sole optional argument
     case $1 in
 
+        # Root has no siblings
+        /)
+            printf >&2 'sd(): Radical misunderstanding\n'
+            return 2
+            ;;
+
         # Slashes aren't allowed
         */*)
             printf >&2 'sd(): Illegal slash\n'
-- 
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