Thursday, September 19, 2013

Use Processmonitor to debug command line syntax passed through PowerShell

If you are trying to find out why a certain formatted command within PowerShell is not working then I strongly recommend using ProcessMonitor tool from SysInternals suite of tools.  When you initially fire up the ProcessMonitor then it will show you lots of information and it can be overwhelming. 
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So there is a powerful filtering functionality built into the utility.  Click on the filter tab and click on filter.
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Then on the filter section add two filters as shown in the figure below.
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The first filter is Path is “C:\Program Files\7-zip\7z.exe” and second one is Operation is “Load Image”.  After applying the filter and running my PowerShell script I can narrow down my desired line.
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So if next time any command line utility is behaving weird then debug using ProcessMonitor.

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