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Hide Password typed in Console - Batch script

Batch File Command Hide PasswordHide keyboard input for password in console via batch fileHow can I pass arguments to a batch file?Split long commands in multiple lines through Windows batch fileWindows batch files: .bat vs .cmd?How to prevent auto-closing of console after the execution of batch fileHow to sleep for five seconds in a batch file/cmdPowerShell says “execution of scripts is disabled on this system.”How to “comment-out” (add comment) in a batch/cmd?java.lang.NoClassDefFoundError when calling the Java function from Powershell ScriptBatch: Set password with special characters to variablePassword set in batch file not taking last character

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;

1

1

Powershell command used in BAT file is eliminating the escape character available in the password specified by user in the console and saving it in a file.

I have a BAT script which prompt the user to specify the password in console. Password should be masked as ***** while user typing it in console. Password will be something like wel!123. This password is saved into variable and finally getting copied to a text file. I got few suggestion use the below code in my BAT file, but the escape character in the actual password( Wel!123) is getting eliminated and saving the password as Wel123 into login.txt file.

SetLocal
set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' - 
AsSecureString; $BSTR= 
[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); 
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""
for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

@echo %pwd%>>login.txt

powershell batch-file

share|improve this question

asked Mar 26 at 19:35

user78873user78873

1877 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  I recommend doing this entirely in Powershell.
  
  – UnhandledExcepSean
  Mar 26 at 19:51
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Can you tell me how to do it
  
  – user78873
  Mar 26 at 19:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Possible duplicate of Batch File Command Hide Password
  
  – Squashman
  Mar 26 at 20:11
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You are missing some stuff in your code. The reason the ^ does not get written to login.txt is because the variable is expanded before execution and assumes you want to use the ^ as an escape character. You either need to escape the escape with string substitution or output the variable with delayed expansion.
  
  – Squashman
  Mar 26 at 20:15
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @mklement0, you are probably correct. I kept focusing on what the user was writing because they kept saying ESCAPE. The exclamation is not an escape.
  
  – Squashman
  Mar 26 at 20:37
  

  
  
  
  

 | 
show 1 more comment

1

1

Powershell command used in BAT file is eliminating the escape character available in the password specified by user in the console and saving it in a file.

I have a BAT script which prompt the user to specify the password in console. Password should be masked as ***** while user typing it in console. Password will be something like wel!123. This password is saved into variable and finally getting copied to a text file. I got few suggestion use the below code in my BAT file, but the escape character in the actual password( Wel!123) is getting eliminated and saving the password as Wel123 into login.txt file.

SetLocal
set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' - 
AsSecureString; $BSTR= 
[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); 
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""
for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

@echo %pwd%>>login.txt

powershell batch-file

share|improve this question

asked Mar 26 at 19:35

user78873user78873

1877 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  I recommend doing this entirely in Powershell.
  
  – UnhandledExcepSean
  Mar 26 at 19:51
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Can you tell me how to do it
  
  – user78873
  Mar 26 at 19:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Possible duplicate of Batch File Command Hide Password
  
  – Squashman
  Mar 26 at 20:11
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You are missing some stuff in your code. The reason the ^ does not get written to login.txt is because the variable is expanded before execution and assumes you want to use the ^ as an escape character. You either need to escape the escape with string substitution or output the variable with delayed expansion.
  
  – Squashman
  Mar 26 at 20:15
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @mklement0, you are probably correct. I kept focusing on what the user was writing because they kept saying ESCAPE. The exclamation is not an escape.
  
  – Squashman
  Mar 26 at 20:37
  

  
  
  
  

 | 
show 1 more comment

Powershell command used in BAT file is eliminating the escape character available in the password specified by user in the console and saving it in a file.

I have a BAT script which prompt the user to specify the password in console. Password should be masked as ***** while user typing it in console. Password will be something like wel!123. This password is saved into variable and finally getting copied to a text file. I got few suggestion use the below code in my BAT file, but the escape character in the actual password( Wel!123) is getting eliminated and saving the password as Wel123 into login.txt file.

SetLocal
set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' - 
AsSecureString; $BSTR= 
[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); 
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""
for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

@echo %pwd%>>login.txt

powershell batch-file

share|improve this question

asked Mar 26 at 19:35

user78873user78873

1877 bronze badges

SetLocal
set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' - 
AsSecureString; $BSTR= 
[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); 
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""
for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

@echo %pwd%>>login.txt

share|improve this question

asked Mar 26 at 19:35

user78873user78873

1877 bronze badges

share|improve this question

asked Mar 26 at 19:35

user78873user78873

1877 bronze badges

asked Mar 26 at 19:35

user78873user78873

1877 bronze badges

asked Mar 26 at 19:35

user78873user78873

1877 bronze badges

2 Answers
2

active

oldest

votes

1

! characters disappearing is unrelated to PowerShell - it suggests that cmd.exe's enabledelayedexpansion option is in effect, in which case ! serves as a variable-name delimiter - and in which case isolated ! chars. are simply discarded.

^{As an aside: ! is therefore not an escape character.}

You therefore need to:

• 
  

  Disable delayed variable expansion with setLocal disabledelayedexpansion:

  
  
  
  • Note that delayed expansion is off by default, so something in your environment must have turned it on.
  
  



• Additionally, as Squashman points out, ^ characters - cmd.exe's escape char. in unquoted strings - would be "eaten", so you must escape all ^ chars. as ^^, which can you do with %pwd:^=^^%.

To put it all together:

@echo off
setLocal disabledelayedexpansion

set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' -AsSecureString; $BSTR=[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""

for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

echo %pwd:^=^^%>>login.txt

share|improve this answer

edited Mar 26 at 20:37

answered Mar 26 at 20:21

mklement0mklement0

151k2525 gold badges272272 silver badges311311 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Glad to hear it, @user78873.
  
  – mklement0
  Apr 10 at 13:38
  

  
  
  
  

add a comment | 

1

To convert this to PowerShell, you have most of the code already written:

$pwd = Read-Host 'Enter Your Password' -AsSecureString
$BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd)
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR) | Add-Content -Path login.txt

share|improve this answer

answered Mar 26 at 20:05

AdminOfThingsAdminOfThings

5,79022 gold badges22 silver badges1414 bronze badges

add a comment | 

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1

! characters disappearing is unrelated to PowerShell - it suggests that cmd.exe's enabledelayedexpansion option is in effect, in which case ! serves as a variable-name delimiter - and in which case isolated ! chars. are simply discarded.

^{As an aside: ! is therefore not an escape character.}

You therefore need to:

• 
  

  Disable delayed variable expansion with setLocal disabledelayedexpansion:

  
  
  
  • Note that delayed expansion is off by default, so something in your environment must have turned it on.
  
  



• Additionally, as Squashman points out, ^ characters - cmd.exe's escape char. in unquoted strings - would be "eaten", so you must escape all ^ chars. as ^^, which can you do with %pwd:^=^^%.

To put it all together:

@echo off
setLocal disabledelayedexpansion

set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' -AsSecureString; $BSTR=[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""

for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

echo %pwd:^=^^%>>login.txt

share|improve this answer

edited Mar 26 at 20:37

answered Mar 26 at 20:21

mklement0mklement0

151k2525 gold badges272272 silver badges311311 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Glad to hear it, @user78873.
  
  – mklement0
  Apr 10 at 13:38
  

  
  
  
  

add a comment | 

1

! characters disappearing is unrelated to PowerShell - it suggests that cmd.exe's enabledelayedexpansion option is in effect, in which case ! serves as a variable-name delimiter - and in which case isolated ! chars. are simply discarded.

^{As an aside: ! is therefore not an escape character.}

You therefore need to:

• 
  

  Disable delayed variable expansion with setLocal disabledelayedexpansion:

  
  
  
  • Note that delayed expansion is off by default, so something in your environment must have turned it on.
  
  



• Additionally, as Squashman points out, ^ characters - cmd.exe's escape char. in unquoted strings - would be "eaten", so you must escape all ^ chars. as ^^, which can you do with %pwd:^=^^%.

To put it all together:

@echo off
setLocal disabledelayedexpansion

set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' -AsSecureString; $BSTR=[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""

for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

echo %pwd:^=^^%>>login.txt

share|improve this answer

edited Mar 26 at 20:37

answered Mar 26 at 20:21

mklement0mklement0

151k2525 gold badges272272 silver badges311311 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Glad to hear it, @user78873.
  
  – mklement0
  Apr 10 at 13:38
  

  
  
  
  

add a comment | 

! characters disappearing is unrelated to PowerShell - it suggests that cmd.exe's enabledelayedexpansion option is in effect, in which case ! serves as a variable-name delimiter - and in which case isolated ! chars. are simply discarded.

^{As an aside: ! is therefore not an escape character.}

You therefore need to:

• 
  

  Disable delayed variable expansion with setLocal disabledelayedexpansion:

  
  
  
  • Note that delayed expansion is off by default, so something in your environment must have turned it on.
  
  



• Additionally, as Squashman points out, ^ characters - cmd.exe's escape char. in unquoted strings - would be "eaten", so you must escape all ^ chars. as ^^, which can you do with %pwd:^=^^%.

To put it all together:

@echo off
setLocal disabledelayedexpansion

set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' -AsSecureString; $BSTR=[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""

for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

echo %pwd:^=^^%>>login.txt

share|improve this answer

edited Mar 26 at 20:37

answered Mar 26 at 20:21

mklement0mklement0

151k2525 gold badges272272 silver badges311311 bronze badges

@echo off
setLocal disabledelayedexpansion

set "psCmd=powershell -Command "$pwd = read-host 'Enter Your Password' -AsSecureString; $BSTR=[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd); [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR)""

for /F "usebackq delims=" %%# in (`%psCmd%`) do set "pwd=%%#"

echo %pwd:^=^^%>>login.txt

share|improve this answer

edited Mar 26 at 20:37

answered Mar 26 at 20:21

mklement0mklement0

151k2525 gold badges272272 silver badges311311 bronze badges

answered Mar 26 at 20:21

mklement0mklement0

151k2525 gold badges272272 silver badges311311 bronze badges

answered Mar 26 at 20:21

mklement0mklement0

151k2525 gold badges272272 silver badges311311 bronze badges

1

To convert this to PowerShell, you have most of the code already written:

$pwd = Read-Host 'Enter Your Password' -AsSecureString
$BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd)
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR) | Add-Content -Path login.txt

share|improve this answer

answered Mar 26 at 20:05

AdminOfThingsAdminOfThings

5,79022 gold badges22 silver badges1414 bronze badges

add a comment | 

1

To convert this to PowerShell, you have most of the code already written:

$pwd = Read-Host 'Enter Your Password' -AsSecureString
$BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd)
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR) | Add-Content -Path login.txt

share|improve this answer

answered Mar 26 at 20:05

AdminOfThingsAdminOfThings

5,79022 gold badges22 silver badges1414 bronze badges

add a comment | 

To convert this to PowerShell, you have most of the code already written:

$pwd = Read-Host 'Enter Your Password' -AsSecureString
$BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd)
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR) | Add-Content -Path login.txt

share|improve this answer

answered Mar 26 at 20:05

AdminOfThingsAdminOfThings

5,79022 gold badges22 silver badges1414 bronze badges

$pwd = Read-Host 'Enter Your Password' -AsSecureString
$BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($pwd)
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto($BSTR) | Add-Content -Path login.txt

share|improve this answer

answered Mar 26 at 20:05

AdminOfThingsAdminOfThings

5,79022 gold badges22 silver badges1414 bronze badges

answered Mar 26 at 20:05

AdminOfThingsAdminOfThings

5,79022 gold badges22 silver badges1414 bronze badges

answered Mar 26 at 20:05

AdminOfThingsAdminOfThings

5,79022 gold badges22 silver badges1414 bronze badges