folks, I need to redirect command output to 2 files, in one file redirect stdout stream, to another file redirect stderr stream. Is it possible to do in cmd, PowerShell on windows ?
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2 Answers
For powershell
Let us say you have my.ps1 like below:
"output"
Write-Error "error output"
exit 1
You can do:
.\my.ps1 2>stderr.txt | Tee-Object -file stdout.txt
You get stdout and stderr in the corresponding files.
More on Tee-Object:
http://technet.microsoft.com/en-us/library/dd347705.aspx
More on capturing all streams:
https://connect.microsoft.com/feedback/ViewFeedback.aspx?FeedbackID=297055&SiteID=99
2 Comments
Dzmitry
Thanks, for your answer, it's right, but it's not that i find. I am writing program on C# that execute hg(Mercurial) through "WScript.shell", how can i redirect output from there to 2 files, stdout and stderr ?
Emiliano Poggi
The original question was a bit unclear. Are you looking for this: Windows Scripting Host (WSH) output redirection?
In Powershell you can redirect standard output and error using the well known redirection operators >, >>, 2>, 2>>.
First make sure to set:
$erroractionpreference.value__=1
Then use redirection.
Examples:
ls C:\ 2> stderror.txt > stdoutput.txt # write output on stdoutput.txt
ls foo 2> stderror.txt > stdoutput.txt # write output on stderror.txt unless foo exists
