Update EDITOR and vi alias

shrc

@@ -275,12 +275,23 @@ _timeformat_rfc2822="%a, %d %b %Y %T %z"
 _timeformat_num="%Y%m%d%H%M%S"
 alias datenum="date +$_timeformat_num"
 
+if null type nvim
+then
+    export EDITOR=nvim
+elif null type vim
+then
+    export EDITOR=vim
+elif null type vi
+then
+    export EDITOR=vi
+fi
+test -n "$EDITOR" && alias vi=$EDITOR
+
 # export GREP_OPTIONS=""
 alias gr="grep -n --color=always"
 $iswindows && alias gr="grep -n"
 alias less="less -F"
 __safe_alias em="emacs -nw"
-__safe_alias vi=vim
 alias pstree="LANG=C pstree"
 alias cp="cp -v"
 alias mv="mv -v"