make editor choice more flexibel

dotfiles/bash/.bashrc

@@ -9,7 +9,14 @@ export HISTSIZE=10000
 export HISTFILESIZE=10000
 export PATH="$HOME/.bin:$PATH"
 
-export EDITOR=vim
+# define a default editor
+if   [ -x "$(command -v caode)" ]; then
+    export EDITOR=code
+elif [ -x "$(command -v vim)" ]; then
+    export EDITOR=vim
+elif [ -x "$(command -v vi)" ]; then
+    export EDITOR=vi
+fi
 
 #enable wayland
 export QT_QPA_PLATFORM=wayland-egl