Frage Entwicklung Batch & Shell

gelöst Warum kein !-Zeichen möglich?

@echo off &setlocal 

<nul set /p "=Enter your password: " 

call :HInput pw 

echo Input length is %errorlevel% 

setlocal EnableDelayedExpansion 

echo Your password is %pw% 

pause 

goto :eof 

:HInput [ByRef_VarName] 

:: inspired by Carlos @ www.DosTips.com 

if "%__HI__%" neq "__HI__" ( 

  setlocal DisableDelayedExpansion 

  set "S=" &set "N=0" &set "__HI__=__HI__" 

  for /f %%i in ('"prompt;$h&for %%i in (1) do rem"') do set "BS=%%i" 

) 

set "C=" 

for /f "delims=" %%i in ('2^>nul xcopy /lw "%~f0" "%~f0"') do if not defined C set "C=%%i" 

set "C=%C:~-1%" 

setlocal EnableDelayedExpansion 

if not defined C ( 

  echo( 

  if "%~1"=="" ( 

    echo(!S! 

    endlocal &endlocal &exit /b %N% 

  ) else ( 

    if defined S ( 

      for /f delims^=^ eol^= %%i in ("!S!") do endlocal &endlocal &set "%~1=%%i" &exit /b %N% 

    ) else endlocal &endlocal &set "%~1=" &exit /b 0 

  ) 

) 

if "!BS!"=="!C!" ( 

  set "C=" 

  if defined S set /a "N -= 1" &set "S=!S:~,-1!" &<nul set /p "=%BS% %BS%" 

) else set /a "N += 1" &<nul set /p "=*" 

if not defined S ( 

  endlocal &set "N=%N%" &set "S=%C%" 

) else for /f delims^=^ eol^= %%i in ("!S!") do endlocal &set "N=%N%" &set "S=%%i%C%" 

goto HInput