lyon-smith.org

While I'm waiting for some files to copy around I thought I'd record my recent PowerShell learnin'. Somtimes a command, like Get-ChildItem can return either an array of results or just a single one.  You can use the @ symbol to cast the result into an array, so:(gci -i *.txt).Count Sometimes returns nothing, whereas:@(gci -i ...

  Starting to get the hang of PowerShell.  Today I wanted to quickly count the number of lines in some source code.   There's a simple implementation and then there's a better one.  In the end I settled on:$count=0;gci . -i *.cs,*.cpp,*.h -r | %{$count += [System.IO.File]::ReadAllLines($_.FullName).Count};$count Which is ...

Still struggling to gain traction with PowerShell.  I've stopped myself running the CMD prompt by default, and I've installed it on all my test VPC machines. Firstly, I recommend you download the Windows PowerShell Graphical Help File.  It's an old school .chm file, but you can search it.  Don't underestimate how useful this is ...

I've held off moving to Windows PowerShell.  The reason is that I came up with a solution for running C# source directly from the command line as script a few years ago using CodeRunner .NET, and I've haven't had a pressing need for more functionality.  But I decided that the time has come to say goodbye to the ...