alias: only alias colordiff if it exists

diff --git a/aliases b/aliases
index a3caf51f9edb84b981ef761c8f51da4c06e4a27b..a1641cba6a2943cee65a2f0fb2ad0942213c9c9b 100644 (file)
--- a/aliases
+++ b/aliases
@@ -19,7 +19,7 @@ alias svi='sudo -e'
 alias vs='vim SPLITBUILD'
 
 # colours, I want more colours
-alias diff='colordiff'
+[[ -x /usr/bin/colordiff ]] && alias diff='colordiff'
 
 # colours and case insensitive search
 export LESS='-RSi'