Writing Functions in PowerShell

functioning like an adult

I would like to propose we should all function as adults at some point in life. maybe not 24 hours a day but enough to take care of ourselves.

PowerShell is an area that need you to be functioning to preserve your sanity and time, I will cover simple & advanced functions.

A function can save you a ton of typing and it could do quite a bit and be called using the infamous tab completion!

Simple Function Example:

Function Test-Google
{
Try{ $result=Test-Connection google.com
if ($result -ne $null){ write-host "Google is up and reachable" -ForegroundColor Green} 
}
Catch{write-host "Google Error Occured" -ForegroundColor Red}

}

 

Advanced Function Example:

Function Test-NetworkConnectivity
{
[cmdletbinding()]
param(
[parameter(ValueFromPipelineByPropertyName,ValueFromPipeline)][Object[]]$Website =@( "google.com","Bing.com")
)
Begin{}

Process{
FOREACH($SITE IN $Website)
{
Try{ $result=Test-Connection -ComputerName $site
if ($result -ne $null){ write-host "$site is up and reachable" -ForegroundColor Green} 
}
Catch{write-host "$site Error Occured" -ForegroundColor Red}
}
}
}

Take the time to explore tab completion.  this advanced function has way more capability and any questions?

 

 

Published by Xajuan Smith

Computer Information Specialist, with a desire to make the masses feel what I was born to channel...The emotion that strives us to do more, speak more boldly and with most sincere ideals that will make life easier and will not hinder the dreams we all have at any given time.

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