How to open the redirected output file of a running script?

Question

I have the following code in script my.ps1.

....
$attach = New-Object System.Net.Mail.Attachment("c:\my.log")
$msg.Attachments.Add( $attach )

And I want to schedule it running as powershell "& { my.ps1 > c:\my.log }".

However, I got the following error.

New-Object : Exception calling ".ctor" with "1" argument(s): "The process cannot access the file 'c:\my.log' because it is being used by another process."

Is anyway to implement it?

EBGreen · Accepted Answer · 2012-09-28 16:48:49Z

1

Using redirection is locking the file. Instead you will need to remove the redirection and write to the file directly in the script using cmdlets like Out-File or Add-Content.

answered Sep 28, 2012 at 16:48

EBGreen

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2 Comments

ca9163d9 Over a year ago

is it possible to put a group of scripts in a { ... } and tee the output to file?

EBGreen Over a year ago

I would doubt it. I suspect that if you do anything to redirect the output of the script to a file, that file will be locked as long as the file is running.

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