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Get-Content File Locked test?

Posted on 2010-09-22
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Last Modified: 2012-05-10
I have a powershell script which every 30 seconds tries to read teh content of an output file. The output file is the result of running a script like this:
C:\scripts\myscript.ps1 > C:\temp\outputfile.txt

The problem I am running into is that occasionally (randomly) the Get-Content command files due to the file being locked.

How can I test that the file is not locked prior to my Get-Content command?
A function would be easiest, so that I could:
If (Test $filename) { get-content ... }

Thoughts?
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Question by:rwskas
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4 Comments
 
LVL 13

Accepted Solution

by:
soostibi earned 1000 total points
ID: 33742608
I would do this:

$content = Get-Content C:\yourlockedfile.txt -ErrorAction silentlycontinue
if($?){"Success"}else{"faliure"}
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LVL 6

Author Comment

by:rwskas
ID: 33744708
Yeah, Thats how I have it setup now.. I would prefer to check it prior to trying to get the content though, because I dont really want to turn on EA silentlycontinue as I would still like to review other error messages.
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LVL 13

Expert Comment

by:soostibi
ID: 33744838
In the failure part you can check end emit the error by reading the $error[0] variable.
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LVL 6

Author Closing Comment

by:rwskas
ID: 33788020
Your solution works, its just not what I was asking..
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