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Debugging Monad Scripts, Part 6: Trace-Expression, Breakpoint Script

April 25th, 2006

Did your command or script fail and/or report an error? We hope to have a proper script debugger in a future version, but until then, MSH has some handy features to help you figure out what went wrong. In this series of blog entries, I will present some of those features. Thanks to Jim Truher [MSFT], Bruce Payette [MSFT], ...

Debugging Monad Scripts, Part 5: Preferences and Commandline Options

April 25th, 2006

Debugging Monad Scripts, Part 4: set-mshdebug

April 25th, 2006

Debugging Monad Scripts, Part 3: Write-Host

April 25th, 2006

Debugging Monad Scripts, Part 2: $error

April 25th, 2006

Debugging Monad Scripts, Part 1: Teminating vs. Non-Terminating, ErrorRecord

April 25th, 2006

Image Conversion

April 25th, 2006

I needed to convert some images from bmp to gif for a web site I've been working on. I figured that I could script this pretty easy - here's what I came up with. It's a little more general than I needed, and I thought it might be useful to others. Anyway, it's useful to me. # Convert one graphic...

Duplicate Files 2

April 25th, 2006

A long time ago I posted a filter (AddNote) for adding notes to objects. Some time later I posted a function (Get-MD5) for calculating the MD5 hash of a file and somebody asked how that could be used in a script to list all the files in a given folder that are very likely the same. I like that question because the answer it ...

Duplicate Files

April 25th, 2006

Need a way to check if two files are the same? Calculate a hash of the files. Here is one way to do it: ## Calculates the hash of a file and returns it as a string. function Get-MD5([System.IO.FileInfo] $file = $(throw 'Usage: Get-MD5 [System.IO.FileInfo]')) { $stream = $null; $cryptoServiceProvider = [...

Adding Notes

April 25th, 2006

A while back I mentioned that there was a way of adding notes to objects in the shell. Here is one way to do it: ## Adds a note to the pipeline input. filter AddNote([string] $name, $value) { $mshObj = [System.Management.Automation.MshObject] $_; $note = new-object System.Management.AUtomation.MshNoteProperty $name, $value $mshObj....

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