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redirection of output?

• 2009年6月24日 下午 12:50Tim Estenson

   
  

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  I am running a command executible by calling:
  
  $command = some.exe < a bunch of parameters>
  invoke-expression $command
  
  If i pipe the output to files like this:
  
  invoke-expression $command 2>foo.txt >bar.txt
  
  errors go to foo.txt and regular output goes to bar.txt. now if I do this:
  
  invoke-expression $command 2>&1>bar.txt
  
  I expect both errors and output to be interlaced into the same file. However in reality the errors are completly lost. Is this a bug?
  
  It seems like Tee-Object should have an option to also grab errors? what I would like to do is
  
  invoke-expression $command | Tee-object -var $foo
  
  then use $foo to try and recover from issues.
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