From 17281a9de1116d13aa20bc4b971e1c61ba2d6a40 Mon Sep 17 00:00:00 2001
From: skywind3000 <skywind3000@163.com>
Date: Sun, 10 Feb 2019 14:36:10 +0800
Subject: [PATCH] update doc

---
 README.md |  8 ++++----
 z.lua     | 19 ++++++++++++-------
 2 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index 7d68c23..1eefe6b 100644
--- a/README.md
+++ b/README.md
@@ -81,11 +81,11 @@ z -b foo    # cd to the parent directory starting with foo
 
       eval "$(lua /path/to/z.lua --init posix)"
 
-  For very old shells like ksh (Korn Shell), some keywords like `local` and `builtin` are unsupported, you can use:
+  For new posix shells like dash/ash, you can use:
 
-      eval "$(lua /path/to/z.lua --init posix legacy)"
+      eval "$(lua /path/to/z.lua --init posix new)"
 
-  To generate old posix compatible script.
+  To take advantage of keywords `local` and `builtin`.
 
 - Fish Shell:
 
@@ -397,7 +397,7 @@ awk -F '\t' '{print $2 "|" $1 "|" 0}' $FN >> ~/.zlua
 
 ## History
 
-- 1.4.4 (2019-02-10): supports legacy posix shells like ksh, init with `z.lua --init posix legacy`.
+- 1.4.4 (2019-02-10): supports legacy posix shells like ksh.
 - 1.4.3 (2019-02-08): fixed minor issues.
 - 1.4.2 (2019-02-06): you can disabled path validation by `$_ZL_NO_CHECK`, and use `z --purge` to clear bad paths manually.
 - 1.4.1 (2019-02-06): fzf tab-completion in bash (@[BarbUk](https://github.com/BarbUk)), fixed hang in fish shell (close [#29](https://github.com/skywind3000/z.lua/issues/29)).
diff --git a/z.lua b/z.lua
index 5be590d..e273802 100755
--- a/z.lua
+++ b/z.lua
@@ -1790,12 +1790,12 @@ _zlua() {
 	elif [ -n "$arg_mode" ]; then
 		"$ZLUA_LUAEXE" "$ZLUA_SCRIPT" $arg_mode $arg_subdir $arg_type $arg_inter "$@"
 	else
-		local dest=$("$ZLUA_LUAEXE" "$ZLUA_SCRIPT" --cd $arg_type $arg_subdir $arg_inter "$@")
-		if [ -n "$dest" ] && [ -d "$dest" ]; then
+		local zdest=$("$ZLUA_LUAEXE" "$ZLUA_SCRIPT" --cd $arg_type $arg_subdir $arg_inter "$@")
+		if [ -n "$zdest" ] && [ -d "$zdest" ]; then
 			if [ -z "$_ZL_CD" ]; then
-				builtin cd "$dest"
+				builtin cd "$zdest"
 			else
-				$_ZL_CD "$dest"
+				$_ZL_CD "$zdest"
 			fi
 			if [ -n "$_ZL_ECHO" ]; then pwd; fi
 		fi
@@ -1916,11 +1916,16 @@ function z_shell_init(opts)
 	print('ZLUA_SCRIPT="' .. os.scriptname() .. '"')
 	print('ZLUA_LUAEXE="' .. os.interpreter() .. '"')
 	print('')
-	if not opts.legacy then
+	if not opts.posix then
 		print(script_zlua)
 	else
-		local script = script_zlua:gsub('local ', ''):gsub('builtin ', '')
-		print(script)
+		if opts.new or opts.modern then
+			print(script_zlua)
+		else
+			local script = script_zlua:gsub('local ', '')
+			script = script:gsub('builtin ', '')
+			print(script)
+		end
 	end
 
 	local prompt_hook = (os.getenv("_ZL_NO_PROMPT_COMMAND") == nil)