fix: don't reassign for-loop variable

fix: don't reassign for-loop variable

README.cn.md

@@ -14,7 +14,7 @@ z.lua 是一个快速路径切换工具，它会跟踪你在 shell 下访问过
 
 - 性能比 **z.sh** 快三倍，比 **fasd** / **autojump** 快十倍以上。
 - 支持 Posix Shell：bash, zsh, dash, sh, ash, busybox 等等。
-- 支持 Fish Shell，Power Shell 和 Windows cmd。
+- 支持 Fish Shell，Nushell, Power Shell 和 Windows cmd。
 - 使用增强匹配算法，更准确的带你去到你想去的地方。
 - 低占用，能够仅在当前路径改变时才更新数据库（将 `$_ZL_ADD_ONCE` 设成 1）。
 - 交互选择模式，如果有多个匹配结果的话，跳转前允许你进行选择。
@@ -93,7 +93,6 @@ z -b foo    # 跳转到父目录中名称以 foo 开头的那一级
   然后在 `config.nu` 中加入如下代码：
 
       source ~/.cache/zlua.nu
-      alias z = _zlua
 
 - Power Shell:
 

README.md

@@ -28,7 +28,7 @@ From people using z.lua:
 - **10x** times faster than **fasd** and **autojump**, **3x** times faster than **z.sh**.
 - Gain the ultimate speed with an optional [native module](https://github.com/skywind3000/czmod) written in C.
 - Available for **posix shells**: bash, zsh, dash, sh, ash, ksh, busybox and etc.
-- Available for Fish Shell, Power Shell and Windows cmd.
+- Available for Fish Shell, Nushell, Power Shell and Windows cmd.
 - [Enhanced matching algorithm](#enhanced-matching) takes you to where ever you want precisely.
 - Allow updating database only if `$PWD` changed with "$_ZL_ADD_ONCE" set to 1.
 - Interactive selection enables you to choose where to go before cd.
@@ -78,6 +78,12 @@ z -b foo bar # replace foo with bar in cwd and cd there
 
       eval "$(lua /path/to/z.lua --init bash enhanced once fzf)"
   
+  NixOS users using home-manager can add this to their user profile:
+
+      programs.z-lua.enable = true;
+      programs.z-lua.enableBashIntegration = true;
+      programs.z-lua.options = [ "enhanced" "once" "fzf" ];  # modify as needed
+
   **NOTE**: For wsl-1 users, `lua-filesystem` must be installed:
 
       sudo apt-get install lua-filesystem
@@ -92,6 +98,12 @@ z -b foo bar # replace foo with bar in cwd and cd there
 
   Options like "enhanced", "once" and "fzf" can be used after `--init` too. It can also be initialized from "skywind3000/z.lua" with your zsh plugin managers (antigen / oh-my-zsh).
 
+  NixOS users using home-manager can add this to their user profile:
+
+      programs.z-lua.enable = true;
+      programs.z-lua.enableZshIntegration = true;
+      programs.z-lua.options = [ "enhanced" "once" "fzf" ];  # modify as needed
+
   **NOTE**: for wsl-1 users, `lua-filesystem` must be installed.
 
 - Posix Shells:
@@ -118,6 +130,12 @@ z -b foo bar # replace foo with bar in cwd and cd there
 
   into the same file.
 
+  NixOS users using home-manager can add this to their user profile:
+
+      programs.z-lua.enable = true;
+      programs.z-lua.enableFishIntegration = true;
+      programs.z-lua.options = [ "enhanced" "once" "fzf" ];  # modify as needed
+
 - Nushell
 
   Put something like this in your `env.nu`:
@@ -127,7 +145,8 @@ z -b foo bar # replace foo with bar in cwd and cd there
   Then put something like this in your `config.nu`:
 
       source ~/.cache/zlua.nu
-      alias z = _zlua
+
+  Note: Only Nushell v0.96+ is supported
 
 - Power Shell:
 

z.lua

@@ -4,7 +4,7 @@
 -- z.lua - a cd command that learns, by skywind 2018-2022
 -- Licensed under MIT license.
 --
--- Version 1.8.22, Last Modified: 2025/05/17 13:54:38
+-- Version 1.8.25, Last Modified: 2026/03/09 21:15:46
 --
 -- * 10x faster than fasd and autojump, 3x faster than z.sh
 -- * available for posix shells: bash, zsh, sh, ash, dash, busybox
@@ -235,7 +235,8 @@ end
 function dump(o)
 	if type(o) == 'table' then
 		local s = '{ '
-		for k,v in pairs(o) do
+		for key, v in pairs(o) do
+			local k = key
 			if type(k) ~= 'number' then k = '"'..k..'"' end
 			s = s .. '['..k..'] = ' .. dump(v) .. ','
 		end
@@ -1979,7 +1980,7 @@ function main(argv)
 			path = z_cd(args)
 			if path == nil and Z_MATCHMODE ~= 0 then
 				local last = args[#args]
-				if os.path.isdir(last) then
+				if last and os.path.isdir(last) then
 					path = os.path.abspath(last)
 					path = os.path.norm(path)
 				end
@@ -2655,9 +2656,7 @@ if /i "%1"=="--purge" (
 )
 :check
 if /i "%1"=="" (
-	if /i "%InterMode%"=="" (
-		set "RunMode=-l"
-	)
+	set "RunMode=-l"
 )
 for /f "delims=" %%i in ('cd') do set "PWD=%%i"
 if /i "%RunMode%"=="-n" (
@@ -2814,7 +2813,7 @@ end
 -- nushell
 -----------------------------------------------------------------------
 local script_zlua_nushell = [[
-def _zlua --env --wrapped [...args: string] {
+export def _zlua --env --wrapped [...args: string] {
     if ($args | length) != 0 and $args.0 == "--add" {
         with-env { _ZL_RANDOM: (random int) } { ^$env.ZLUA_LUAEXE $env.ZLUA_SCRIPT --add ...($args | skip 1) }
     } else if ($args | length) != 0 and $args.0 == "--complete" {
@@ -2899,6 +2898,9 @@ if completer in $env.config.completions.external {
         }
     })
 }
+
+export alias z = _zlua
+
 ]]
 
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