Executing exe file with option from Powershell

Question

How to run the below command in PowerShell. The below command will prompt for a password and user needs to enter it. I want to automate it.

mxexport [ -f <zip file name> ]

I tried saving password in a file and run the below script in PowerShell:

$password = get-content C:\cred.txt | convertto-securestring
$pass=[Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($password))
& 'C:\Program Files\XX\XX\bin\mxexport.exe' -f file.zip, -p $pass

But I am getting the below Error:

mxexport.exe'
+              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (Error while getting password from User.:String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError

Do you get meaningful values for $password and $pass? Are you sure are calling mxexport with the correct value? Have you tried calling mxexport with a hard-coded value for $pass? — Alastair Brown
– Alastair Brown, Commented Jun 13, 2016 at 5:53
I just found out, mxexport accepts only one option called -f filename. But It is prompting for a password when I press enter after running a command mxexport.exe -f filename. How you to get the password from a file and execute the command without prompting fora password to enter. — Padmanabhan Vijendran
– Padmanabhan Vijendran, Commented Jun 13, 2016 at 7:11

Martin Brandl · Accepted Answer · 2016-06-13 07:30:20Z

2

You are using single quotes, therefore the $pass variable doesn't get resolved. You also don't need to wrap the arguments within quotes, just use:

& "C:\Program Files\XX\XX\bin\mxexport.exe" -p $pass

Edit to your comment

Try to pass the parameters using splatting:

$arguments = @("-f file.zip", "-p $pass")
& "C:\Program Files\XX\XX\bin\mxexport.exe" @arguments

edited Jun 13, 2016 at 7:30

answered Jun 13, 2016 at 5:47

Martin Brandl

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7 Comments

Padmanabhan Vijendran Over a year ago

Sorry my bad. mxexport has only one option. i.e Filename. But It is asking for a Password. Below is the error I am getting. CategoryInfo : NotSpecified: (Error while getting password from User.:String)

Padmanabhan Vijendran Over a year ago

Sorry for the confusuion. I just edited my question. mxexport.exe has only one option that will accept filename, If I give password as another parameter, It is not accepting. But whenever we give enter after mxexport.exe, Its prompting for a password. So I need my script to get the password from file instead of user input.

Martin Brandl Over a year ago

Ensure you $pass contains the password. Then try to pass the parameters using splatting (see me edit)

Padmanabhan Vijendran Over a year ago

nope.Not working. I cant pass the password as parameter.

Martin Brandl Over a year ago

Okay, my last attempt would be to pass the parameter plain (without loading it from the file).

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