fix encoding when yanking to windows in vim

.vimrc

@@ -18,6 +18,10 @@ Plugin 'pearofducks/ansible-vim'
 Plugin 'mechatroner/rainbow_csv'
 " ChatGPT plugin
 Plugin 'CamdenClark/flyboy'
+" Aider
+Plugin 'joshuavial/aider.nvim'
+" Black
+Plugin 'psf/black'
 " All of your Plugins must be added before the following line
 call vundle#end()            " required
 filetype plugin indent on    " required
@@ -72,13 +76,37 @@ set statusline +=%2*0x%04B\ %*          "character under cursor
  " Copy to clipboard
 " set clipboard=unnamedplus
 
-if system('uname -r') =~ "Microsoft"
-    augroup Yank
+"if system('uname -r') =~ "Microsoft"
+"    augroup Yank
+"        autocmd!
+"        autocmd TextYankPost * :call system('/mnt/c/windows/system32/clip.exe ',@")
+"        augroup END
+"endif
+
+" only on WSL
+if has('unix') && system('uname -r') =~ 'Microsoft'
+
+  augroup YankToWindowsClipboard
     autocmd!
-        autocmd TextYankPost * :call system('/mnt/c/windows/system32/clip.exe ',@")
+    autocmd TextYankPost * call s:WslYank()
   augroup END
+
+  function! s:WslYank() abort
+    " get the yanked text
+    let l:txt = @"
+    " shell-escape it
+    let l:esc  = shellescape(l:txt)
+    " pipe through iconv to UTF-16LE, then into clip.exe
+    call system( 
+    \ 'printf %s '.l:esc.
+    \ ' | iconv -f utf-8 -t utf-16le'.
+    \ ' | /mnt/c/Windows/System32/clip.exe'
+    \ )
+  endfunction
+
 endif
 
+
 "map <silent> "=p :r !powershell.exe -Command Get-Clipboard<CR>
 "map! <silent> <C-r>= :r !powershell.exe -Command Get-Clipboard<CR>
 "noremap "+p :exe 'norm a'.system('/mnt/c/Windows/System32/WindowsPowerShell/v1.0/powershell.exe -Command Get-Clipboard')<CR>
@@ -108,7 +136,8 @@ endif
 " generate pw?
 " r! cmd.exe /c 'python C:\Tools\pw.py 10'
 " =system("cmd.exe /c 'python C:\\Tools\\pw.py 10' | tr -d '\n' | tr -d '\r'")
-let pwcmd = 'cmd.exe /c "python C:\\Tools\\pw.py 10" |tr -d "\\n"|tr -d "\\r"'
+"let pwcmd = 'cmd.exe /c "python C:\\Tools\\pw.py 10" |tr -d "\\n"|tr -d "\\r"'
+let pwcmd = 'powershell.exe -command "python C:\\Tools\\pw.py 10" |tr -d "\\n"|tr -d "\\r"'
 :nmap <F8> "=system(pwcmd)<C-M>p
 :imap <F8> <C-R>=system(pwcmd)<C-M>