plink request to variable powershell [duplicate]

Question

I have the following code:

& $Plinkpath -P "22" -v "User@Server" -pw $passw $commands3 | Out-File $Report -Append -Encoding utf8

This outputs a file with the information needed but I want to store the plink sentence result into a variable.

I tried:

& $Plinkpath -P "22" -v "User@Server" -pw $passw $commands > $Example
$Example = $Plinkpath -P "22" -v "User@Server" -pw $passw $commands

And nothing works :(

How can I get the command output into a variable?

$Example = plink username@hostname command actually works. Plink is just a console application, there's nothing Plink-specific in your question. — Martin Prikryl
– Martin Prikryl, Commented Jun 5, 2018 at 13:09
I tried $Example = plink username@hostname command and does not work — Quiron
– Quiron, Commented Jun 5, 2018 at 13:20
& $Plinkpath -P 22 -v "$usr@$Server" -pw $passw $Param[0] = $Param[1] This worked for me! Thx for help! — Quiron
– Quiron, Commented Jun 6, 2018 at 9:18

arco444 · Accepted Answer · 2018-06-05 13:03:13Z

1

Does Invoke-Expression work for you?

$example = Invoke-Expression "$Plinkpath -P '22' -v 'User@Server' -pw $passw $commands"

This should capture the command output into the $example variable.

Below is the cmdlet description:

PS > Get-Help invoke-expression

NAME
    Invoke-Expression

SYNOPSIS
    Runs commands or expressions on the local computer.


SYNTAX
    Invoke-Expression [-Command] <String> [<CommonParameters>]


DESCRIPTION
    The Invoke-Expression cmdlet evaluates or runs a specified string as a command and returns the results of the
    expression or command. Without Invoke-Expression , a string submitted at the command line would be returned
    (echoed) unchanged.

answered Jun 5, 2018 at 13:03

arco444

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3 Comments

EBGreen Over a year ago

As a general rule, Invoke-Expression should be a last resort.

arco444 Over a year ago

@EBGreen Not that I don't agree, but it would be useful to provide some information to back that statement up so that myself and other users can understand why it should be a last resort

EBGreen Over a year ago

Oh, because it opens your code to code injection attacks.

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