DosTips.com

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@echo off
setlocal

set /P "=_" < NUL > "Enter password"
findstr /A:1E /V "^$" "Enter password" NUL > CON
del "Enter password"
set /P "password="
cls
color 07
echo The password read is: "%password%"

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@echo off
Title Multi-Lines Comments and Reading a hidden password via a FINDSTR bug
rem.||(
Today on 01/08/2018 ; I learned two nice codes :
This is a multiline comments from here ==> https://www.dostips.com/forum/viewtopic.php?p=57621#p57621
And this comment from Reading a hidden password via a FINDSTR bug ==> https://www.dostips.com/forum/viewtopic.php?p=57620#p57620
When the output of this form of FINDSTR command is redirected to CON device,
something strange happens after the text is output in the desired color: all the text after it is output as "invisible" characters,
although a more precise description is that the text is output as black text over black background.
The original text will appear if you use COLOR command to reset the foreground and background colors of the entire screen.
However, when the text is "invisible" we could execute a SET /P command, so all characters entered will not appear on the screen.
)
setlocal
set /P "=_" < NUL > "Enter password"
findstr /A:0A /V "^$" "Enter password" NUL > CON
del "Enter password"
set /P "password="
cls
color 1F
echo The password read is: "%password%"
pause>nul

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@echo off
setlocal

set /P "=_" < NUL > "Enter password"
findstr /A:1E /V "^$" "Enter password" NUL > CON
del "Enter password"
set /P "password="
doskey /listsize=0 >NUL 2>&1 & doskey /listsize=50 >NUL 2>&1 
cls
color
echo The password read is: "%password%"

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CLS > CON

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@echo off
setlocal

call :Init
cd "%~P0"
findstr /B /R /C:"1. .....2" "%~NX0" NUL > CON
set /P "password="
cls
color 07
endlocal & set "%1=%password%"
exit /B

:Init
ver > NUL
call :End 2> NUL
if %errorlevel% equ 0 exit /B
for /F %%a in ('echo prompt $H ^| cmd') do set "BS=%%a"
(
   echo :End
   echo exit /B
   set /P "=1%BS% %BS%%BS%%BS%%BS%%BS%2   %BS%%BS%%BS%%BS%%BS% " < NUL
) >> "%~F0"
exit /B

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@echo off
setlocal

call "%~P0Enter password.bat" pass=
echo The password read is: "%pass%"
pause