Monthly Archives: August 2018

How can you check if a PowerShell string contains a character or substring? You might be tempted to try this: PS> $s = ‘abcdefghijk’ PS> $s -contains ‘f’ False But –contains is for working with the contents of arrays. So … Continue reading →

There’s been a Powershell Day UK Agenda Update. Looks like there’ll be three tracks for most of the day. Full agenda and tickets from – https://psday.uk/

An interesting problem around deleting folders based on month name. You have a folder structure that looks like this C:\Testdata\2011\08-Aug C:\Testdata\2011\09-Sep C:\Testdata\2011\10-Oct C:\Testdata\2011\11-Nov C:\Testdata\2011\12-Dec C:\Testdata\2012\01-Jan C:\Testdata\2012\02-Feb C:\Testdata\2012\03-Mar C:\Testdata\2012\04-Apr C:\Testdata\2012\05-May C:\Testdata\2012\06-Jun C:\Testdata\2012\07-Jul C:\Testdata\2012\08-Aug C:\Testdata\2012\09-Sep C:\Testdata\2012\10-Oct C:\Testdata\2012\11-Nov C:\Testdata\2012\12-Dec C:\Testdata\2013\01-Jan C:\Testdata\2013\02-Feb C:\Testdata\2013\03-Mar C:\Testdata\2013\04-Apr … Continue reading →

Usually when you create a variable you implicitly set the type by the value you use. Sometimes though you may want to explicitly set the variable type. if you don’t give the variable a type you can do this: PS> … Continue reading →

When you create a variable you usually want to be able to change its value – the clue is in the term variable. Sometimes though you might want to use a value that doesn’t change – you want read only … Continue reading →

Splitting strings is usually easy – you use the –split operator or the Split() method.  Occasionally you may hit a problem – for instance splitting on a \ character. Let me demonstrate with an example. PS> Get-CimInstance -ClassName Win32_ComputerSystem | … Continue reading →