- <#
- .SYNOPSIS
- Shows throwing an exception in a function, caught in caller.
- .DESCRIPTION
- This is a re-written MSDN Sample
- .NOTES
- File Name : throw-exception.ps1
- Author : Thomas Lee - tfl@psp.co.uk
- Requires : PowerShell V2 CTP3
- .LINK
- Original script at:
- http://pshscripts.blogspot.com/2009/01/throw-exceptionps1.html
- MSDN Sample at:
- http://msdn.microsoft.com/en-us/library/1ah5wsex.aspx
- .EXAMPLE
- PS C:\foo> .\Throw-Exception.ps1
- Num[0] - Result = 300
- Trying to get Num[4]
- In catch block
- Error caught: System.IndexOutOfRangeException
- #>
- ###
- # Start of script
- ###
- # Helper function
- function GetNumber{
- param ($index)
- $nums = 300, 600, 900
- if ($index -gt $nums.Length) {
- Throw [system.IndexOutOfRangeException]
- }
- else {
- $nums[$index]
- }
- }
- # Start of main script
- # Get one that works...
- $result = GetNumber 0
- "Num[0] - Result = {0}" -f $result
- # Now try and catch the following
- try {
- "Trying to get Num[4]"
- $result = GetNumber 4
- }
- Catch {
- "In catch block"
- "Error caught: {0}" -f $Error[0]
- }
This blog contains PowerShell scripts, more PowerShell scripts and still more PowerShell scripts. Occasionally you may see some organisational posts.
Thursday 22 January 2009
Throw-Exception.ps1
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