diff --git a/app.vue b/app.vue
index 1c6fa79..2b57b65 100644
--- a/app.vue
+++ b/app.vue
@@ -55,7 +55,7 @@
 import {posixTests, win32Tests} from "~/lib/nodePathTestExamples.mjs";
 // import {posixTests, win32Tests} from "##/lib/nodePathTestExamples.mjs";
 // import {pathPosixToWin32, pathWin32ToPosix,win32ToWin32JS,win32ToWin32Slash,win32ToWin32WSL2} from "##/lib/dist/index.mjs";
-import {pathPosixToWin32, pathWin32ToPosix,win32ToWin32JS,win32ToWin32Slash,win32ToWin32WSL2} from "~/lib/dist/index.mjs";
+import {pathPosixToWin32, pathWin32ToPosix,win32ToWin32JS,win32ToWin32Slash,win32ToWin32WSL2} from "##/lib/dist/index.mjs";
 export default {
   name:'app',
   mounted(){
diff --git a/dev/node-fs-utils-dev/SpawnCmd.mjs b/dev/node-fs-utils-dev/SpawnCmd.mjs
index b36b46d..bd828a5 100644
--- a/dev/node-fs-utils-dev/SpawnCmd.mjs
+++ b/dev/node-fs-utils-dev/SpawnCmd.mjs
@@ -11,23 +11,26 @@ import { spawn } from 'node:child_process'
 import {stdout,stderr} from 'node:process'
 
 /** might be better just to use buffer like they are */
-export function spawnExecCmd(cmd,...args){
+export function spawnExecCmd(cmd,args=[],opts={}){
+  const actual = {shell:true,...opts}
   return new Promise((resolve, reject) => {
     let code, stdouts = [], stderrs = [], signal;
 
-    let spawnCmd = spawn(cmd,[],{shell:true});
+    // let spawnCmd = spawn(cmd,[],{shell:true});
+    let spawnCmd = spawn(cmd,args,actual);
 
     //i think on error need to double check
     spawnCmd.on('error',(err)=>{
       reject(err);
     });
+    spawnCmd.stdout.pipe(stdout);//works
     spawnCmd.stdout.on('data', (data) => {
       // console.log(`stdout: ${data}`);
       stdouts.push(data);
     });
-    spawnCmd.stdout.pipe(stdout);//works
     /* doesnt work pipe on chai, but two on's work n*/
 
+    spawnCmd.stderr.pipe(stderr)
     spawnCmd.stderr.on('data', (data) => {
       // console.error(`stderr: ${data}`);
       stderrs.push(data);
diff --git a/dev/node-fs-utils-dev/readline-debug.mjs b/dev/node-fs-utils-dev/readline-debug.mjs
new file mode 100644
index 0000000..fcef59b
--- /dev/null
+++ b/dev/node-fs-utils-dev/readline-debug.mjs
@@ -0,0 +1,14 @@
+import readline from 'node:readline'
+import { stdin as input, stdout as output } from 'node:process';
+import {promisify} from 'node:util';
+
+let rl = readline.createInterface({
+  input,
+  output,
+  prompt:'hit enter to continue'
+});
+const question = promisify(rl.question).bind(rl);
+const tmp = await question('What is your name?')
+console.log('tmp is ',tmp);
+
+rl.close();
diff --git a/dev/node-fs-utils-dev/vite-press-path-utils.test.mjs b/dev/node-fs-utils-dev/vite-press-path-utils.test.mjs
new file mode 100644
index 0000000..c8f710f
--- /dev/null
+++ b/dev/node-fs-utils-dev/vite-press-path-utils.test.mjs
@@ -0,0 +1,122 @@
+/**
+ * Also in material design 3.. git
+ */
+
+/**
+ yarn add mocha -D
+
+ package.json
+ "imports": {
+    "##/*": {
+      "default": "./*"
+    },
+  },
+ "type": "module",
+
+ jsconfig.json
+ {
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "##/*": ["./*"]
+    }
+  },
+  "exclude": ["node_modules", ".nuxt", "dist"]
+}
+
+
+
+ */
+// import { createRequire } from 'module';
+// const require = createRequire(import.meta.url);
+// const assert = require('assert');
+// const {describe,it} = require('mocha');
+import assert from 'node:assert';
+import { describe, it} from 'mocha';
+/*
+1.
+yarn add mocha @babel/polyfill @babel/register @babel/preset-env babel-plugin-module-resolver --dev
+yarn add @babel/core --dev
+2.
+-r @babel/register -r babel-plugin-module-resolver
+
+3.
+.babelrc
+{
+
+  "presets": ["@babel/preset-env"],
+  "plugins": [
+    ["module-resolver", {
+      "root": ["./src"],
+      "alias": {
+        "test": "./test",
+        "underscore": "lodash",
+
+        "~": "./"
+      }
+    }]
+  ]
+
+}
+test specific timeout
+this.timeout(500);//500ms
+*/
+/**
+ * Should put this somewhere safe
+ * todo filepath needs to be initialized as well...
+ * @param fileName .json
+ * @param data will automatically be changed
+ */
+import fs from 'node:fs';
+function writeToFile(fileName,data,space=2){
+  const sFileName = /\./.test(fileName) ? fileName : fileName + '.json';
+  const filePath = `dev/pbs/test/${sFileName}`
+  fs.writeFileSync(filePath,
+    typeof data === 'string' ? data :JSON.stringify(data,null,+space)
+  );
+}
+import {relative,resolve,join} from "node:path/posix";
+import {fileURLToPath} from "url";
+
+describe('vite-press-path-utils.test.mjs', function(){
+  let viteConfigFile;
+  /** @type {'docs/.vitepress' | string} - .vitepress config */
+  viteConfigFile = 'docs/.vitepress';
+
+  const testMatrix = [
+    //"" is cwd
+    [resolve(""),"../.."],//,cwd, new URL('./',import.meta.url).pathname???
+    [resolve("./src"),"../../src"],//cwd/src, cant be ../src
+    [resolve("src"),"../../src"],//cwd/src, same as above. left is okay to repeat
+    [resolve("./docs/src"),"../src"],
+    // [resolve("./docs"),"../"],//'../' also works and is more clear
+    [resolve("./docs"),".."],//'../' also works and is more clear
+  ]
+  it('first try', function(){
+    for (let i = 0; i < testMatrix.length; i++) {
+      const [expectedPath,inputRelativePathParam] = testMatrix[i];
+      // destDirCWD = '';
+      // const out = relative(inputRelativePathParam,viteConfigFile);
+      /** Resolve docs/.vitepress with relative path to destination dir */
+      const out = resolve(viteConfigFile,inputRelativePathParam);//reverse
+      // const out = resolve('./',viteConfigFile);
+      // console.log(import.meta.url);
+      // const tmp = fileURLToPath(new URL('../..', import.meta.url))
+      assert.strictEqual(out,expectedPath);
+    }
+
+
+    //assert.strictEqual(1,1);//require assert
+  });
+    it('reverse use case', function(){
+    for (let i = 0; i < testMatrix.length; i++) {
+      const [inputDestinationPath,expectedRelativePath] = testMatrix[i]; //reversed
+      const out = relative(viteConfigFile, inputDestinationPath);// some of the relative paths may not work
+      assert.strictEqual(out,expectedRelativePath);
+    }
+
+
+    //assert.strictEqual(1,1);//require assert
+  });
+
+});
diff --git a/docs/src/readme_vite_press.md b/docs/src/readme_vite_press.md
index c80a414..af98a84 100644
--- a/docs/src/readme_vite_press.md
+++ b/docs/src/readme_vite_press.md
@@ -2,6 +2,41 @@
 1. Need to use vscode / webstorm to inject the header or w/e
     * i think there is also called a snippet / wrapper / file template
 
+
+## Install
+```bash
+pnpm add -D vitepress
+pnpm dlx vitepress init
+```
+```gitignore
+/docs/.vitepress/cache/
+/docs/.vitepress/dist/
+```
+```js
+import { defineConfig } from 'vitepress'
+//append to generated:
+export default defineConfig({
+  base:"/material-design-3-import-export-ext/",
+  srcDir: './src',//relative to the package.json vitepress dev <dir>
+  lang: 'en-ca',
+  //section inside
+  themeConfig: {
+    //add better search. https://vitepress.dev/reference/default-theme-search#local-search
+    search: {
+      provider: 'local'
+    },
+    socialLinks: [
+      { icon: 'github', link: 'https://github.com/codeforwings/material-design-3-import-export-ext' }
+    ],
+    markdown:{
+      //https://vitepress.dev/reference/site-config#markdown
+      lineNumbers: true,
+      space_size: 2,//not sure if this works
+    }
+  }
+})
+
+```
 # Concepts
 * "On this page"
 * Edit on GitHub 
@@ -29,11 +64,7 @@
 
 Notes
 ---
-## Git Ignore
-```gitignore
-/docs/.vitepress/cache/
-/docs/.vitepress/dist/
-```
+
 # Syntax Highlighting
 [https://github.com/shikijs/shiki/blob/main/docs/languages.md](https://github.com/shikijs/shiki/blob/main/docs/languages.md)
 ```js
diff --git a/docs/src/vitepress/readme_vite_press_paths.md b/docs/src/vitepress/readme_vite_press_paths.md
index 129aaa2..306f3f3 100644
--- a/docs/src/vitepress/readme_vite_press_paths.md
+++ b/docs/src/vitepress/readme_vite_press_paths.md
@@ -85,4 +85,10 @@ docs/src/public/
 <<< @/public/some_folder/some_file.json
 
 
-```
\ No newline at end of file
+```
+
+## Interesting
+```ps1
+# mixing paths actually works in powershell and pwd... with no spaces at least and explorer... crazy
+cd C:\Users\Public/bins
+```
diff --git a/lib/bin_build/bin-vite.config.mjs b/lib/bin_build/bin-vite.config.mjs
new file mode 100644
index 0000000..c98114d
--- /dev/null
+++ b/lib/bin_build/bin-vite.config.mjs
@@ -0,0 +1,36 @@
+/**
+ * Bin builder for vite config
+ */
+// Utilities
+import { defineConfig } from 'vite'
+import { fileURLToPath, URL } from 'node:url'
+import {rootFileUrl, viteBaseConfig} from "##/vite.config.mjs";
+// import { resolve } from 'node:path'
+// https://vitejs.dev/config/
+export default defineConfig({
+  ...viteBaseConfig,
+  build: {
+    //https://vitejs.dev/guide/build.html#library-mode
+    outDir: fileURLToPath(new URL('./lib/bin_build/.output/', rootFileUrl)),
+    lib: {
+      name: 'nuxt3-win32-posix-path',
+      formats: ['es', 'cjs'],//('es' | 'cjs' | 'umd' | 'iife')
+      entry: [ //"entry" can be a dictionary or array of multiple entry points
+        fileURLToPath(new URL('./lib/bin_build/index.mjs', rootFileUrl)),
+      ]
+    },
+    rollupOptions: {
+      // make sure to externalize deps that shouldn't be bundled
+      // into your library
+      // external: ['puppeteer',"puppeteer-core","node:path/posix","node*"],
+      output: {
+        // Provide global variables to use in the UMD build
+        // for externalized deps
+        // globals: {
+        //   vue: 'Vue',//not sure what this means
+        // },
+      },
+    },
+  },
+
+})
diff --git a/lib/bin_build/index.mjs b/lib/bin_build/index.mjs
new file mode 100644
index 0000000..2188fd3
--- /dev/null
+++ b/lib/bin_build/index.mjs
@@ -0,0 +1,22 @@
+/**
+ * Bin Build Index Packager
+ * maybe add cli builder / handler here
+ lib/bin_build/dist/index-win.exe c:/Users/Public/Documents
+
+ node lib/bin_build/index.mjs c:/Users/Public/Documents
+ node lib/bin_build/index.mjs "c:/Users/Public/Docum ents"
+ node lib/bin_build/index.mjs c:/Users/Public/Docum ents
+ *
+ * todo think about how to test this properly performance wise
+ * it's surprisingly not bad. powershell was much slower...
+ */
+// import process from "node:process";
+import {win32ToWin32WSL2} from "##/src/win32ToWin32WSL/win32ToWin32WSL2.mjs";
+// export {win32ToWin32WSL2}
+
+/* take arguments from command line */
+const args = process.argv.slice(2);
+// console.log(args);
+// console.log(win32ToWin32WSL2(args[0]))
+console.log(win32ToWin32WSL2(args.join(' ')))
+process.exit(0)
diff --git a/lib/test-utils/mocha-cli-exec.mjs b/lib/test-utils/mocha-cli-exec.mjs
new file mode 100644
index 0000000..e888e02
--- /dev/null
+++ b/lib/test-utils/mocha-cli-exec.mjs
@@ -0,0 +1,37 @@
+import {spawnSync} from "node:child_process";
+import assert from "node:assert";
+
+/**
+ * factory function
+ */
+/**
+ *
+ * @param pathToExe
+ * @param args
+ * @param options
+ * @return {(function(*, *): void)|*}
+ * @example
+ *   const assertW2Wb = createMochaCliExe(W2WB);1
+ */
+export function createMochaCliExe(pathToExe,args=[],options={}){
+  //todo add better defaulting etc... didnt think i neeeded to modify the input
+  const actualOptions = {shell:true,...options}
+
+  return function(expectedValue,...inputToTest){
+      const output = spawnSync(
+        // `"${W2WB}" [C:\\` //cmd needs to double quote
+        // `"${pathToExe}"`,[WSLPassTests[0][0]],actualOptions
+        `"${pathToExe}"`,[...inputToTest],actualOptions
+      );
+      if(output.status !== 0){
+        console.error(output);
+        console.log(output.stdout.toString())
+        console.error(output.stderr.toString())
+        throw new Error("status not 0");
+      }
+      const actual = output.stdout.toString().trim();
+      console.assert(actual === expectedValue,`inputToTest: ${inputToTest}`)
+      assert.strictEqual(actual,expectedValue);
+  }
+
+}
\ No newline at end of file
diff --git a/lib/test-utils/pwsh-test-mocha.ps1 b/lib/test-utils/pwsh-test-mocha.ps1
new file mode 100644
index 0000000..7350ff4
--- /dev/null
+++ b/lib/test-utils/pwsh-test-mocha.ps1
@@ -0,0 +1,16 @@
+#!pwsh.exe
+<#
+todo move this somewhere
+Test powershell inside of mocha... source and import?
+cd C:\Users\Jason\WebstormProjects\nuxt3-win32-posix-path
+pwsh.exe -File pwsh-test-mocha.ps1 c:\hi
+pwsh.exe -File lib/test-utils/pwsh-test-mocha.ps1 c:\hi s
+#>
+
+# import-module -Name ./src/win32ToWin32WSL/win32ToWin32WSL2.ps1 -Function pathWin32ToPosix
+# source 
+# powershell -Command ./src/win32ToWin32WSL/win32ToWin32WSL2.ps1; pathWin32ToPosix 'c:\hi'
+#write-host -NoNewline $args[0]
+. ./src/win32ToWin32WSL/win32ToWin32WSL2.ps1;
+$tmp=pathWin32ToPosix $args[0]
+write-host -NoNewline $tmp
diff --git a/package.json b/package.json
index 96d6488..eccb171 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,11 @@
     "docs:dev": "vitepress dev docs",
     "docs:build": "vitepress build docs",
     "docs:preview": "vitepress preview docs",
-    "build-rollup:vite": "vite build --mode production"
+    "build-rollup:vite": "vite build --mode production",
+    "build-rollup:pkg": "pkg lib/dist/index.js --out-path lib/dist/bins",
+    "build-bins" : "pnpm run /build-bins:.*/",
+    "build-bins:rollup": "vite build --mode production --config lib/bin_build/bin-vite.config.mjs",
+    "build-bins:pkg": "pkg lib/bin_build/.output/index.js --out-path lib/bin_build/dist/"
   },
   "devDependencies": {
     "gh-pages": "^4.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 404a25b..fc6fbdf 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -3865,8 +3865,8 @@ packages:
       - utf-8-validate
     dev: true
 
-  /node-abi@3.43.0:
-    resolution: {integrity: sha512-QB0MMv+tn9Ur2DtJrc8y09n0n6sw88CyDniWSX2cHW10goQXYPK9ZpFJOktDS4ron501edPX6h9i7Pg+RnH5nQ==}
+  /node-abi@3.45.0:
+    resolution: {integrity: sha512-iwXuFrMAcFVi/ZoZiqq8BzAdsLw9kxDfTC0HMyjXfSL/6CSDAGD5UmR7azrAgWV1zKYq7dUUMj4owusBWKLsiQ==}
     engines: {node: '>=10'}
     dependencies:
       semver: 7.3.8
@@ -4662,7 +4662,7 @@ packages:
       minimist: 1.2.8
       mkdirp-classic: 0.5.3
       napi-build-utils: 1.0.2
-      node-abi: 3.43.0
+      node-abi: 3.45.0
       pump: 3.0.0
       rc: 1.2.8
       simple-get: 4.0.1
diff --git a/src/cli/cli-index.test.mjs b/src/cli/cli-index.test.mjs
new file mode 100644
index 0000000..d394b6d
--- /dev/null
+++ b/src/cli/cli-index.test.mjs
@@ -0,0 +1,245 @@
+/**
+ yarn add mocha -D
+
+ package.json
+ "imports": {
+ "##/*": {
+ "default": "./*"
+ },
+ },
+ "type": "module",
+
+ jsconfig.json
+ {
+ "compilerOptions": {
+ "baseUrl": ".",
+ "paths": {
+ "##/*": ["./*"]
+ }
+ },
+ "exclude": ["node_modules", ".nuxt", "dist"]
+ }
+
+
+
+ */
+// import { createRequire } from 'module';
+// const require = createRequire(import.meta.url);
+// const assert = require('assert');
+// const {describe,it} = require('mocha');
+import assert from 'node:assert';
+import {describe, it} from 'mocha';
+/*
+1.
+yarn add mocha @babel/polyfill @babel/register @babel/preset-env babel-plugin-module-resolver --dev
+yarn add @babel/core --dev
+2.
+-r @babel/register -r babel-plugin-module-resolver
+
+3.
+.babelrc
+{
+
+  "presets": ["@babel/preset-env"],
+  "plugins": [
+    ["module-resolver", {
+      "root": ["./src"],
+      "alias": {
+        "test": "./test",
+        "underscore": "lodash",
+
+        "~": "./"
+      }
+    }]
+  ]
+
+}
+test specific timeout
+this.timeout(500);//500ms
+*/
+/**
+ * Should put this somewhere safe
+ * todo filepath needs to be initialized as well...
+ * @param fileName .json
+ * @param data will automatically be changed
+ */
+import fs from 'node:fs';
+import {spawnSync} from "node:child_process";
+import os from "node:os";
+import {win32ToWin32WSL2} from "##/src/index.mjs";
+
+function writeToFile(fileName,data,space=2){
+  const sFileName = /\./.test(fileName) ? fileName : fileName + '.json';
+  const filePath = `dev/pbs/test/${sFileName}`
+  fs.writeFileSync(filePath,
+    typeof data === 'string' ? data :JSON.stringify(data,null,+space)
+  );
+}
+
+/**
+ * interesting... didnt work for linux and mac... but for wsl? is it the shell?
+ *
+ lib/dist/bins/index-win.exe C:\\Users\\Public\\bins #pwsh
+ "lib/dist/bins/index-win.exe" "C:\\Users\\Public\\bins" #cmd
+ "./lib/dist/bins/index-win.exe" "C:\\Users\\Public\\bins" #cmd
+ ./"lib/dist/bins/index-win.exe" "C:\\Users\\Public\\bins" #wsl fish ?
+ lib/dist/bins/index-linux "'C:\\Users\\Public\\bins'" # wsl / linux
+ lib/dist/bins/index-macos "'C:\\Users\\Public\\bins'" # macos
+ *
+ */
+describe('cli-index.test.mjs all',function(){
+  it('raw js cmd',function(){
+    const sInput = "C:\\Users\\Public\\bins"
+    const expected = "/mnt/c/Users/Public/bins"
+    const out = win32ToWin32WSL2(sInput);
+    assert.strictEqual(out,expected)
+  })
+});
+describe('cli-index.test.mjs', function(){
+  it('verify command line mjs', function(){
+    //assert.strictEqual(1,1);//require assert
+    const expected = "/mnt/c/Users/Public/bins\n"
+    const out = spawnSync('node src/cli/index.mjs',["C:\\Users\\Public\\bins"],{shell:true})
+    const stdout = out.stdout.toString();
+    if(out.status !==0){
+      console.error(out.stderr.toString())
+      throw out.error;
+    }
+    assert.strictEqual(stdout,expected)
+
+  });
+  it('verify command line mjs error', function(){
+    //assert.strictEqual(1,1);//require assert
+    const out = spawnSync('node src/cli/index.mjs',[],{shell:true})
+    // console.log(out.stdout.toString());
+    if(out.status !==0){
+      assert.ok(true)
+      // console.error(out.stderr.toString())
+      // throw out.error;
+    }
+  });
+
+});
+/**
+ * Didn't even need the index-linux... because it worked with the exe
+ */
+describe('cli-index.test.mjs binary win', function(){
+  // const binaryPath= "lib/dist/bins"
+  const binaryCommand = '"lib/dist/bins/index-win.exe"'
+  const binaryCommandWSL = './lib/dist/bins/index-linux'
+  // const binaryCommandWSL = './lib/dist/bins/index-win.exe';//also worked...
+  if(os.platform()    !== 'win32'){
+    return true;
+  }
+
+  it('verify command line mjs', function(){
+    //assert.strictEqual(1,1);//require assert
+    const expected = "/mnt/c/Users/Public/bins\n"
+    const out = spawnSync(binaryCommand,["C:\\Users\\Public\\bins"],{shell:true})
+    const stdout = out.stdout.toString();
+    if(out.status !==0){
+      console.error(out.stderr.toString())
+      throw out.error;
+    }
+    assert.strictEqual(stdout,expected)
+
+  });
+  it('verify command line wsl', function(){
+    //assert.strictEqual(1,1);//require assert
+    const expected = "/mnt/c/Users/Public/bins\n"
+    // const out = spawnSync('wsl -e',[binaryCommandWSL,"C:\\Users\\Public\\bins"],{shell:true})
+    const out = spawnSync('wsl -e',[binaryCommandWSL,"'C:\\Users\\Public\\bins'"],{shell:true})
+    const stdout = out.stdout.toString();
+    if(out.status !==0){
+      console.error(out.stderr.toString())
+      throw out.error;
+    }
+    assert.strictEqual(stdout,expected)
+
+  });
+  it('verify command line mjs error', function(){
+    //assert.strictEqual(1,1);//require assert
+    const out = spawnSync(binaryCommand,[],{shell:true})
+    // console.log(out.stdout.toString());
+    if(out.status !==0){
+      assert.ok(true)
+      // console.error(out.stderr.toString())
+      // throw out.error;
+    }
+  });
+
+});
+
+
+/**
+ * Don't need this binary. just testing it
+ * interestingly... it failed
+ */
+describe('cli-index.test.mjs binary mac', function(){
+  // const binaryPath= "lib/dist/bins"
+  let binaryCommand = './lib/dist/bins/index-macos';//
+  // binaryCommand = 'lib/dist/bins/index-macos' //this worked too
+  binaryCommand = './lib/dist/bins/index-macos' //interesting
+  if(os.platform() !== 'darwin'){
+    return true;
+  }
+
+  it('verify command line mjs', function(){
+    //assert.strictEqual(1,1);//require assert
+    const expected = "/mnt/c/Users/Public/bins\n"
+    const out = spawnSync(binaryCommand,["'C:\\Users\\Public\\bins'"],{shell:true})
+    const stdout = out.stdout.toString();
+    if(out.status !==0){
+      console.error(out.stderr.toString())
+      throw out.error;
+    }
+    assert.strictEqual(stdout,expected)
+
+  });
+  it('verify command line mjs error', function(){
+    //assert.strictEqual(1,1);//require assert
+    const out = spawnSync(binaryCommand,[],{shell:true})
+    // console.log(out.stdout.toString());
+    if(out.status !==0){
+      assert.ok(true)
+      // console.error(out.stderr.toString())
+      // throw out.error;
+    }
+  });
+
+});
+/**
+ * Don't need this binary. just testing it
+ * interestingly... it failed
+ */
+describe('cli-index.test.mjs binary deb', function(){
+  // const binaryPath= "lib/dist/bins"
+  let binaryCommand = './lib/dist/bins/index-linux';//
+  if(os.platform() === 'linux'){
+    return true;
+  }
+
+  it('verify command line mjs', function(){
+    //assert.strictEqual(1,1);//require assert
+    const expected = "/mnt/c/Users/Public/bins\n"
+    const out = spawnSync(binaryCommand,["'C:\\Users\\Public\\bins'"],{shell:true})
+    const stdout = out.stdout.toString();
+    if(out.status !==0){
+      console.error(out.stderr.toString())
+      throw out.error;
+    }
+    assert.strictEqual(stdout,expected)
+
+  });
+  it('verify command line mjs error', function(){
+    //assert.strictEqual(1,1);//require assert
+    const out = spawnSync(binaryCommand,[],{shell:true})
+    // console.log(out.stdout.toString());
+    if(out.status !==0){
+      assert.ok(true)
+      // console.error(out.stderr.toString())
+      // throw out.error;
+    }
+  });
+
+});
\ No newline at end of file
diff --git a/src/cli/index.mjs b/src/cli/index.mjs
new file mode 100644
index 0000000..ff6d172
--- /dev/null
+++ b/src/cli/index.mjs
@@ -0,0 +1,17 @@
+import {win32ToWin32WSL2} from "##/src/index.mjs";
+
+/**
+ * pnpm install has-flag -D
+ * https://github.com/sindresorhus/has-flag
+ * if flags are needed
+ */
+const args = process.argv;
+const [nodePath,scriptPath,...scriptArgs] = args;
+// console.log(scriptArgs);
+/* lazy validation*/
+if(scriptArgs.length !== 1){
+    console.error('error: invalid args');
+    process.exit(1);
+}
+const wslPath = win32ToWin32WSL2(scriptArgs[0])
+console.log(wslPath);//returns \n, might not want that
diff --git a/src/index.mjs b/src/index.mjs
index 912bbc4..8aeb80c 100644
--- a/src/index.mjs
+++ b/src/index.mjs
@@ -6,7 +6,7 @@
 import {pathWin32ToPosix,pathPosixToWin32} from "#src/pathReplacement.mjs";
 export {pathWin32ToPosix,pathPosixToWin32}
 
-import {win32ToWin32WSL2,win32ToWin32Slash} from "#src/win32ToWin32WSL2.mjs";
+import {win32ToWin32WSL2,win32ToWin32Slash} from "#src/win32ToWin32WSL/win32ToWin32WSL2.mjs";
 export {win32ToWin32WSL2,win32ToWin32Slash}
 
 import {win32ToWin32JS} from "#src/win32ToWin32JS.mjs";
diff --git a/src/win32ToWin32WSL2.mjs b/src/win32ToWin32WSL/win32ToWin32WSL2.mjs
similarity index 91%
rename from src/win32ToWin32WSL2.mjs
rename to src/win32ToWin32WSL/win32ToWin32WSL2.mjs
index 356fda5..f6922a3 100644
--- a/src/win32ToWin32WSL2.mjs
+++ b/src/win32ToWin32WSL/win32ToWin32WSL2.mjs
@@ -4,6 +4,9 @@
  *
  * ths might work?
  * pathWin32ToPosix
+ *
+ * doesnt make much sense though... should just convert to ps1 / bash and run test on it.
+ * exe is too big, also has to go to stdout...
  */
 // import {pathWin32ToPosix} from "./pathReplacement.mjs";
 import {pathWin32ToPosix} from "#src/pathReplacement.mjs";
diff --git a/src/win32ToWin32WSL/win32ToWin32WSL2.ps1 b/src/win32ToWin32WSL/win32ToWin32WSL2.ps1
new file mode 100644
index 0000000..2443f7e
--- /dev/null
+++ b/src/win32ToWin32WSL/win32ToWin32WSL2.ps1
@@ -0,0 +1,18 @@
+<#
+  pwsh.exe -File src\win32ToWin32WSL\win32ToWin32WSL2.ps1 'C:\Users\username\Downloads\'
+#>
+function pathWin32ToPosix { #
+  param($inPathWin32,$spaceEscape = "\ ") #
+  $inPathWin32 = $inPathWin32.trim() #
+  $inPathWin32 = $inPathWin32.Replace('\\','\')
+  $inPathWin32 = $inPathWin32.Replace('\','/')
+  $inPathWin32 = $inPathWin32.Replace(' ',$spaceEscape) # space escape
+  $inPathWin32 = $inPathWin32 -replace "^[`"`']", '' # remove leading quotes
+  $inPathWin32 = $inPathWin32 -replace "[`"`']$", '' # remove ending quotes
+
+  # .replace(/^["']/,'') #
+    # .replace(/["']$/,'') #
+    return $inPathWin32 #
+}
+#clear-host
+#pathWin32ToPosix 'C:/Users/username/Downloads/' # "C:/Users/username/Downloads/"
\ No newline at end of file
diff --git a/tests/concepts/nodePath.test.mjs b/tests/concepts/nodePath.test.mjs
index 841f6a6..f213b83 100644
--- a/tests/concepts/nodePath.test.mjs
+++ b/tests/concepts/nodePath.test.mjs
@@ -78,8 +78,9 @@ function writeToFile(fileName,data,space=2){
 
 import {posix,win32,sep} from 'node:path'
 
-import {pathWin32ToPosix,pathPosixToWin32} from "../../src/pathReplacement.mjs"
-import {posixTests, win32Tests} from "../../lib/nodePathTestExamples.mjs";
+import {pathWin32ToPosix,pathPosixToWin32} from "##/src/pathReplacement.mjs"
+import {posixTests, win32Tests} from "##/lib/nodePathTestExamples.mjs";
+import {spawnSync} from "node:child_process";
 
 /**
  * mobaxterm is /drives/c or cd c:/
@@ -131,3 +132,44 @@ describe('nodePath.test.mjs', function(){
     assert.strictEqual(sep,"\\")
   })
 });
+
+const PathWin32ToPosixTests = [
+  ["C:\\Users\\Public\\Documents","C:/Users/Public/Documents"],//maybe append with quotes instead?
+  ["C:\\Users\\Public\\temp spaces\\a\\b c\\d","C:/Users/Public/temp\\ spaces/a/b\\ c/d"],
+  ["C:\\\\Users\\\\Public\\\\temp spaces\\\\a\\\\b c\\\\d","C:/Users/Public/temp\\ spaces/a/b\\ c/d"],
+  ["C:\\\\Users\\\\Public\\\\Documents","C:/Users/Public/Documents"]
+];
+const ogLength = PathWin32ToPosixTests.length
+for (let i = 0; i < ogLength; i++) {
+  const row = PathWin32ToPosixTests[i];
+  row[2] = i;
+  PathWin32ToPosixTests.push([`'${row[0]}'`,row[1],`${i}1`]);//append with single quotes
+  PathWin32ToPosixTests.push([`"${row[0]}"`,row[1],`${i}2`]);//append with double quotes
+
+}
+describe('PathWin32ToPosixTests', function(){
+  for (let i = 0; i < PathWin32ToPosixTests.length; i++) {
+  // for (let i = 0; i < 1; i++) { //run only 1
+    const [inputWinPath, expectedMntPath, win32ToPosixIndex] = PathWin32ToPosixTests[i];
+    it(`PathWin32ToPosixTests MJS ${win32ToPosixIndex}`, function () {
+      // console.log(wslPassTestIndex,inputWinPath);
+      const actual = pathWin32ToPosix(inputWinPath);
+      assert.strictEqual(actual,expectedMntPath);
+    });
+    it(`PathWin32ToPosixTests ps1 ${win32ToPosixIndex}`, function () {
+      // console.log(wslPassTestIndex,inputWinPath);
+      const output = spawnSync(`pwsh.exe -file lib/test-utils/pwsh-test-mocha.ps1`,[inputWinPath],{shell:true});
+      // const output = spawnSync(`pwsh.exe -file lib/test-utils/pwsh-test-mocha.ps1`,[inputWinPath],{shell:false});
+      // const output = spawnSync(`pwsh.exe -Command write-host ${inputWinPath}`,[],{shell:true});
+      if(output.status !== 0){
+        console.log(output.stdout.toString())
+        console.error(output.stderr.toString())
+        console.error(output.error,output.status)
+        throw output.error
+      }
+      const actual = output.stdout.toString()
+
+      assert.strictEqual(actual,expectedMntPath);
+    });
+  }
+});
\ No newline at end of file
diff --git a/tests/unit/mocha-cli-exec.mjs b/tests/unit/mocha-cli-exec.mjs
new file mode 100644
index 0000000..aea332c
--- /dev/null
+++ b/tests/unit/mocha-cli-exec.mjs
@@ -0,0 +1,89 @@
+/**
+yarn add mocha -D
+
+package.json
+  "imports": {
+    "##/*": {
+      "default": "./*"
+    },
+  },
+  "type": "module",
+
+  jsconfig.json
+  {
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "##/*": ["./*"]
+    }
+  },
+  "exclude": ["node_modules", ".nuxt", "dist"]
+}
+
+
+
+*/
+// import { createRequire } from 'module';
+// const require = createRequire(import.meta.url);
+// const assert = require('assert');
+// const {describe,it} = require('mocha');
+import assert from 'node:assert';
+import { describe, it} from 'mocha';
+/*
+1.
+yarn add mocha @babel/polyfill @babel/register @babel/preset-env babel-plugin-module-resolver --dev
+yarn add @babel/core --dev
+2.
+-r @babel/register -r babel-plugin-module-resolver
+
+3.
+.babelrc
+{
+
+  "presets": ["@babel/preset-env"],
+  "plugins": [
+    ["module-resolver", {
+      "root": ["./src"],
+      "alias": {
+        "test": "./test",
+        "underscore": "lodash",
+
+        "~": "./"
+      }
+    }]
+  ]
+
+}
+test specific timeout
+this.timeout(500);//500ms
+*/
+/**
+ * Should put this somewhere safe
+ * todo filepath needs to be initialized as well...
+ * @param fileName .json
+ * @param data will automatically be changed
+ */
+import fs from 'node:fs';
+import {createMochaCliExe} from "##/lib/test-utils/mocha-cli-exec.mjs";
+function writeToFile(fileName,data,space=2){
+  const sFileName = /\./.test(fileName) ? fileName : fileName + '.json';
+  const filePath = `dev/pbs/test/${sFileName}`
+  fs.writeFileSync(filePath,
+    typeof data === 'string' ? data :JSON.stringify(data,null,+space)
+  );
+}
+describe('tests/unit/mocha-cli-exec.mjs', function(){
+  const assertW2bMJS = createMochaCliExe("node.exe")
+  const pathToJS = "lib/bin_build/index.mjs"
+  it('Check factory function - createMochaCliExe', function(){
+    //assert.strictEqual(1,1);//require assert
+    const fn = createMochaCliExe()
+    console.log(fn.toString());
+  });
+  it('check index.mjs without spaces', function(){
+    assertW2bMJS("/mnt/c/Users/Public/Documents",pathToJS,"c:/Users/Public/Documents");
+  });
+  it('check index.mjs with spaces', function(){
+    assertW2bMJS("/mnt/c/Users/Public/Docu\\ ments",pathToJS,"c:/Users/Public/Docu ments");
+  });
+});
diff --git a/tests/unit/win32ToWin32WSL2.test.mjs b/tests/unit/win32ToWin32WSL2.test.mjs
index 0cb791c..b3ecf2e 100644
--- a/tests/unit/win32ToWin32WSL2.test.mjs
+++ b/tests/unit/win32ToWin32WSL2.test.mjs
@@ -65,10 +65,10 @@ this.timeout(500);//500ms
  */
 import fs from 'node:fs';
 // import {win32ToWin32WSL2} from "##/dev/win-to-wsl/win32ToWin32WSL2.mjs";
-import {win32ToWin32Slash, win32ToWin32WSL2} from "#src/win32ToWin32WSL2.mjs";//fixme check the import subpath in package.json in other branch
+import {win32ToWin32Slash, win32ToWin32WSL2} from "##/src/win32ToWin32WSL/win32ToWin32WSL2.mjs";//fixme check the import subpath in package.json in other branch
 function writeToFile(fileName,data,space=2){
   const sFileName = /\./.test(fileName) ? fileName : fileName + '.json';
-  const filePath = `dev/win-to-wsl/${sFileName}`
+  const filePath = `temp/${sFileName}`
   fs.writeFileSync(filePath,
     typeof data === 'string' ? data :JSON.stringify(data,null,+space)
   );
@@ -77,6 +77,7 @@ function writeToFile(fileName,data,space=2){
 /**
  * To integrate and move with other tests
  */
+
 describe('win32ToWin32WSL2.test.mjs', function(){
   it('wsl', function(){
     //assert.strictEqual(1,1);//require assert
@@ -136,3 +137,80 @@ describe('win32ToWin32WSL2.test.mjs', function(){
   // because im reallocating and renaming / files and folders with spaces
 
 });
+
+
+/**
+ * wsl param tests
+ *
+ */
+export const WSLPassTests = [
+  ["C:\\Users\\Public\\Documents","/mnt/c/Users/Public/Documents"],//maybe append with quotes instead?
+  ["C:\\Users\\Public\\temp spaces\\a\\b c\\d","/mnt/c/Users/Public/temp\\ spaces/a/b\\ c/d"],
+  ["C:\\Users\\Public\\temp spaces\\a\\b c\\d","/mnt/c/Users/Public/temp\\ spaces/a/b\\ c/d"],
+  ["C:\\\\Users\\\\Public\\\\Documents","/mnt/c/Users/Public/Documents"],
+  //todo look into thje backtick
+  // ["C:\\Users\\Public\\temp` spaces\\a\\b` c\\d","/mnt/c/Users/Public/temp\\ spaces/a/b\\ c/d"],
+]
+//should work with changing the length of the array
+const ogLength = WSLPassTests.length
+for (let i = 0; i < ogLength; i++) {
+  const row = WSLPassTests[i];
+  row[2] = i;
+  WSLPassTests.push([`'${row[0]}'`,row[1],`${i}1`]);//append with single quotes
+  WSLPassTests.push([`"${row[0]}"`,row[1],`${i}2`]);//append with double quotes
+
+}
+// writeToFile('WSLPassTests.jsonc',WSLPassTests);
+/**
+ * parameterized tests
+ */
+import {spawnSync} from "node:child_process";
+import {createMochaCliExe} from "##/lib/test-utils/mocha-cli-exec.mjs";
+
+describe('WSLPassTests', function(){
+  /** @type {string|'Win32ToWin32WSL2BinaryPath'} */
+  const W2WB = "lib/bin_build/dist/index-win.exe";
+  const assertW2Wb = createMochaCliExe(W2WB);
+  /* raw */
+  it('WSLPassTests mocha exe', function(){
+    const output = spawnSync(
+      // `"${W2WB}" [C:\\` //cmd needs to double quote
+      `"${W2WB}"`,[WSLPassTests[0][0]],{shell:true}
+    );
+    if(output.status !== 0){
+      console.error(output);
+      console.log(output.stdout.toString())
+      console.error(output.stderr.toString())
+      throw new Error("status not 0");
+    }
+    const actual = output.stdout.toString().trim();
+    assert.strictEqual(actual,WSLPassTests[0][1]);
+  });
+  /* wrapper note reversed */
+  it('WSLPassTests assertW2Wb', function(){
+    assertW2Wb(WSLPassTests[0][1],WSLPassTests[0][0]);
+  });
+    /* wrapper note reversed */
+  it('WSLPassTests assertW2Wb - spaces', function(){
+    assertW2Wb(WSLPassTests[1][1],WSLPassTests[1][0]);
+  });
+  /**/
+  for (let i = 0; i < WSLPassTests.length; i++) {
+    const [inputWinPath, expectedMntPath, wslPassTestIndex] = WSLPassTests[i];
+    it(`WSLPassTests MJS ${wslPassTestIndex}`, function () {
+      // console.log(wslPassTestIndex,inputWinPath);
+      const actual = win32ToWin32WSL2(inputWinPath);
+      assert.strictEqual(actual,expectedMntPath);
+    });
+    /* scrapping ps1 / sh using exe for now */
+    // it(`WSLPassTests ps1 ${wslPassTestIndex}`, function () {
+    //   // console.log(wslPassTestIndex,inputWinPath);
+    //   const output = spawnSync(inputWinPath);
+    //   assert.strictEqual(actual,expectedMntPath);
+    // });
+    it(`WSLPassTests exe ${wslPassTestIndex}`, function(){
+      //   // console.log(wslPassTestIndex,inputWinPath);
+      assertW2Wb(expectedMntPath,[inputWinPath]);
+    });
+  }
+});
\ No newline at end of file
diff --git a/vite.config.mjs b/vite.config.mjs
index 2c1888c..cd04089 100644
--- a/vite.config.mjs
+++ b/vite.config.mjs
@@ -3,10 +3,18 @@
  */
 // Utilities
 import { defineConfig } from 'vite'
+
 import { fileURLToPath, URL } from 'node:url'
 // import { resolve } from 'node:path'
 // https://vitejs.dev/config/
-export default defineConfig({
+/**
+ * @typedef {import('vite').UserConfigExport} UserConfigExport
+ */
+/**
+ * @type {UserConfigExport}
+ */
+export const viteBaseConfig = (()=>{
+  return {
   define: { 'process.env': {} },
   resolve: {
     alias: {
@@ -31,11 +39,16 @@ export default defineConfig({
     outDir: fileURLToPath(new URL('./lib/dist/', import.meta.url)),
     lib: {
       name: 'nuxt3-win32-posix-path',
-      formats: ['es', 'cjs','umd'],//('es' | 'cjs' | 'umd' | 'iife')
+      // formats: ['es', 'cjs','umd'],//('es' | 'cjs' | 'umd' | 'iife')
+      formats: ['es', 'cjs'],//('es' | 'cjs' | 'umd' | 'iife')
       //i lost my jsdocs though... weird
       entry: [ //"entry" can be a dictionary or array of multiple entry points
         fileURLToPath(new URL('./src/index.mjs', import.meta.url)),
-        // fileURLToPath(new URL('./dev/node-fs-utils-dev/create-dummy-files.mjs', import.meta.url)),
+        // fileURLToPath(new URL('./src/win32ToWin32WSL/win32ToWin32WSL2.mjs', import.meta.url)),
+        // fileURLToPath(new URL('./temp/toWsl.mjs', import.meta.url)),
+        // fileURLToPath(new URL('./src/cli/index.mjs', import.meta.url)),
+        // fileURLToPath(new URL('./dev/node-fs-utils-dev/create-dummy-files.mjs
+        // ', import.meta.url)),
         // fileURLToPath(new URL('./src/win32ToWin32WSL2.mjs', import.meta.url)),
         // fileURLToPath(new URL('./src/import-material-theme-pup.mjs', import.meta.url)),
         // resolve('src/import-theme-chrome-pup.mjs'),
@@ -59,4 +72,8 @@ export default defineConfig({
     },
   },
 
-})
+}})();
+export const rootFilePath = fileURLToPath(new URL('./', import.meta.url));
+/** @type {string|URL} */
+export const rootFileUrl = import.meta.url;
+export default defineConfig(viteBaseConfig)