How to redirect the output of a PowerShell to a file during its execution

Question

I have a PowerShell script for which I would like to redirect the output to a file  The problem is that I cannot change the way this script is called  So I cannot do      MyScript ps1  gt  output txt   How do I redirect the output of a PowerShell script during its execution

User · Answer

One possible solution  if your situation allows it    Rename MyScript ps1 to TheRealMyScript ps1 Create a new MyScript ps1 that looks like     TheRealMyScript ps1   output txt

User · Answer

Microsoft has announced on Powershell s Connections web site  2012-02-15 at 4 40 PM  that in version 3 0 they have extended the redirection as a solution to this problem   In PowerShell 3 0  we ve extended output redirection to include the following streams    Pipeline  1    Error     2    Warning   3    Verbose   4    Debug     5   All           We still use the same operators   gt     Redirect to a file and replace contents   gt  gt    Redirect to a file and append to existing content   gt  amp 1  Merge with pipeline output   See the  about Redirection  help article for details and examples   help about Redirection

User · Answer

To embed this in your script  you can do it like this           Write-Output  server name   Out-File   Your Path  Servers txt  -Append   That should do the trick

User · Answer

powershell    MyScript ps1   gt  test log

User · Answer

Use   Write  Stuff to write    Out-File Outputfile txt -Append

User · Answer

Maybe Start-Transcript would work for you   First stop it if it s already running  then start it  and stop it when done     ErrorActionPreference  SilentlyContinue  Stop-Transcript   out-null  ErrorActionPreference    Continue  Start-Transcript -path C  output txt -append   Do some stuff Stop-Transcript   You can also have this running while working on stuff and have it saving your command line sessions for later reference   If you want to completely suppress the error when attempting to stop a transcript that is not transcribing  you could do this    ErrorActionPreference  SilentlyContinue  Stop-Transcript   out-null  ErrorActionPreference    Continue    or  Stop

User · Answer

I take it you can modify MyScript ps1  Then try to change it like so          Here is your current script     gt  amp 1  gt  output txt   I just tried this with PowerShell 3  You can use all the redirect options as in Nathan Hartley s answer

User · Answer

You might want to take a look at the cmdlet Tee-Object  You can pipe output to Tee and it will write to the pipeline and also to a file

User · Answer

If you want a straight redirect of all output to a file  try using   gt  gt      You ll receive standard output for the first command  and an error from the second command  mkdir c  temp -force   gt  gt  c  my log   mkdir c  temp   gt  gt  c  my log     Since this is a straight redirect to file  it won t output to the console  often helpful   If you desire the console output  combined all output with   amp  gt 1  and then pipe with Tee-Object   mkdir c  temp -force   gt  amp 1   Tee-Object -Append -FilePath c  my log   mkdir c  temp   gt  amp 1   Tee-Object -Append -FilePath c  my log      Shorter aliased version mkdir c  temp   gt  amp 1   tee -Append c  my log     I believe these techniques are supported in PowerShell 3 0 or later  I m testing on PowerShell 5 0

User · Answer

If you want to do it from the command line and not built into the script itself  use     myscript ps1   Out-File c  output csv

[powershell] How to redirect the output of a PowerShell to a file during its execution

Examples related to powershell

Examples related to scripting

Examples related to stdout