Count-GDShows.ps1

1. <# 
2. .SYNOPSIS 
3.     Counts the Grateful Dead shows in my archives 
4. .DESCRIPTION 
5.     This script looks at my GD archive, and uses folder names to 
6.     determine show type (aud, sbd, etc), and checks to see what 
7.     shows have checked MD5s 
8. .NOTES 
9.     File Name  : count-gdshows.ps1 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell V2 CTP3 
12. .LINK 
13.     http://pshscripts.blogspot.com/2009/01/count-gdshowsps1.html 
14. .EXAMPLE 
15.     PS C:\foo> count-gdshows.ps1 
16.     Count.ps1 - v 2.0.1 
17.     +---------------------------+ 
18.     ! Dead Show Base  :  M:\gd  ! 
19.     +---------------------------+ 
20.  
21.     Grateful Dead Show Summary 
22.     -------------------------- 
23.     Total shows:   1146 
24.     Soundboards:   800 
25.     Auds       :   70 
26.     Unknown    :   29 
27.     Partial    :   9 
28.     Broken     :   4 
29.     MD5's check:   489 (42.67 %) 
30. #> 
31. ### 
32. # Start of Archive 
33. ## 
34.  
35. # Constants: 
36. # $GDDiskRoot    - where to find shows 
37. # $DeadShowBase  - folder at top of gd shows 
38.  
39. $GDDiskRoot     = "M:" 
40. $DeadShowBase   = $GDDiskRoot + "\gd" 
41.  
42. # Announce Ourselves 
43. "Count.ps1 - v 2.0.1" 
44. "+---------------------------+" 
45. "! Dead Show Base  :  $DeadShowBase  !" 
46. "+---------------------------+" 
47. "" 
48.  
49. # Count the Dead shows 
50.  
51. $Dir= ls $DeadShowBase  | where {$_.psiscontainer} 
52. $DeadShows=$Dir.count 
53. if ($DeadSHows -le 0) {"no shows found - check constants"} 
54.  
55. #Create subsets based on names of the folders 
56. $deadsbds=$dir | where {$_.name -match ".sbd" } 
57. $deadbrkn=$dir | where {$_.name -match "broken" } 
58. $deadpart=$dir | where {$_.name -match "partial" } 
59. $deadauds=$dir | where {$_.name -match ".aud" } 
60. $deadunkw=$dir | where {$_.name -Match ".unk"} 
61.  
62. #and see how many have the md5ok's file? 
63.  
64. $DeadMD5Checked=0 
65. foreach ($d in $dir) 
66. {  
67.   $sn=$d.fullname + "\md5check_ok" 
68.   $md5ok= ls $sn -ea silentlycontinue 
69.   if ($md5ok )  
70.      {$DeadMD5Checked++} 
71. } 
72.  
73. #Display results 
74.  
75. "Grateful Dead Show Summary" 
76. "--------------------------" 
77. "Total shows:   $deadshows" 
78. "Soundboards:   $($deadsbds.count)" 
79. "Auds       :   $($deadauds.count)" 
80. "Unknown    :   $($deadunkw.count)" 
81. "Partial    :   $($deadpart.count)" 
82. "Broken     :   $($deadbrkn.count)" 
83. $DeadPctChecked=($DeadMD5checked/$DeadShows).tostring("P") 
84. "MD5's check:   $DeadMD5checked ($DeadPctChecked)" 
85. "" 

Technorati Tags: PowerShell,PowerShell Scripts,Grateful Dead

Get-IPAddress.ps1

1. <# 
2. .SYNOPSIS 
3.     Gets and displays the IP address of a computer 
4. .DESCRIPTION 
5.     This script uses Win32_NetworkAdapterConfiguration to 
6.     obtain, then display, a system's IP addresses. 
7.     NB: this only works on XP or later versions of Windows. 
8. .NOTES 
9.     File Name : Get-IPAddress.ps1 
10.     Author : Thomas Lee - tfl@psp.co.uk 
11.     Requires : PowerShell V2 
12. .LINK 
13.     Script postesd to: 
14.     http://www.pshscripts.blogspot.com 
15.     MSDN Sample at: 
16.     http://msdn.microsoft.com/en-us/library/aa394590(VS.85).aspx 
17. .EXAMPLE 
18.     [ps] c:\foo> .\Get-IPAddress.ps1 
19.     IP Address   : 10.10.1.115 
20.     IP Address   : fe80::3953:f67b:2f1c:1323 
21.     IP Address   : 10.10.1.120 
22.     IP Address   : fe80::d8ed:afe2:2a97:a596
23.     4 IP addresses found on this system
24. #> 
25.    
26. ## 
27. # Start of Script 
28. ## 
29.    
30. # Get Networking Adapter Configuration 
31. $Computer = "." 
32. $IPconfigset = Get-WmiObject Win32_NetworkAdapterConfiguration 
33.    
34. # Iterate and get IP address 
35. $count = 0 
36. foreach ($IPConfig in $IPConfigSet) { 
37.    if ($Ipconfig.IPaddress) { 
38.       foreach ($addr in $Ipconfig.Ipaddress) { 
39.       "IP Address   : {0}" -f  $addr; 
40.       $count++  
41.       } 
42.    } 
43. } 
44. if ($count -eq 0) {"No IP addresses found"} 
45. else {"$Count IP addresses found on this system"} 
46. #End of Script 

Technorati Tags: PowerShell,Code,WMI,Win32_NetworkAdapterConfiguration

Get-TimeZoneInfo.ps1

1. <#
2. .SYNOPSIS
3. Gets and displays time zone information via WMI
4. .DESCRIPTION
5. This script uses the Win32_TimeZone class to obtain, then
6. display time zone information for a computer.
7. This script is a MSDN sample recoded in PowerShell
8. .NOTES
9. File Name : Get-TimeZoneInfo.ps1
10. Author : Thomas Lee - tfl@psp.co.uk
11. Requires : PowerShell V2 CTP3
12. .LINK
13. Script posted to:
14. http://www.pshscripts.blogspot.com/2009/01/get-timezoneinfops1.html
15. MSDN Sample at:
16. http://msdn.microsoft.com/en-us/library/aa394590(VS.85).aspx
17. .EXAMPLE
18. [ps] c:\foo> .\Get-TimeZoneInfo.ps1
19. Time zone information on computer "Win7"
20. Time Zone Description : (UTC) Dublin, Edinburgh, Lisbon, London
21. Daylight Name : GMT Daylight Time
22. Standard Name : GMT Standard Time
23. #>
24. 
    
25. ###
26. # Start of Script
27. ##
28. 
    
29. # Get Time Zone on a computer
30. $Computer = "."
31. $timezone = Get-WMIObject -class Win32_TimeZone -ComputerName $computer
32. 
    
33. # Display details
34. if ($computer -eq ".") {$computer = Hostname}
35. "Time zone information on computer `"{0}`"" -f $computer
36. "Time Zone Description : {0}" -f $timezone.Description
37. "Daylight Name : {0}" -f $timezone.DaylightName
38. "Standard Name : {0}" -f $timezone.StandardName
39. #End of Script

Get-WMILocalTime.ps1

1. <# 
2. .SYNOPSIS 
3.   Gets time from WMI and displays it   
4. .DESCRIPTION 
5.    This script gets Win32_LocalTime and then displays  
6.    the details. 
7. .NOTES 
8.     File Name  : Get-WMILocalTime.ps1 
9.     Author     : Thomas Lee - tfl@psp.co.uk 
10.     Requires   : PowerShell V2 CTP3 
11. .LINK 
12.     Script posted to:
13.     http://pshscripts.blogspot.com/2009/01/get-wmilocaltimeps1.html
14.     MSDN Sample at:
15.     http://msdn.microsoft.com/en-us/library/aa394590(VS.85).aspx
16. .EXAMPLE 
17.     [ps] c:\foo> .\Get-WMILocaltimeps1 
18.     Day          : 26 
19.     Day Of Week  : 1 
20.     Hour         : 20 
21.     Minute       : 59 
22.     Month        : 1 
23.     Quarter      : 1 
24.     Second       : 53 
25.     Week In Month: 5 
26.     Year         : 2009 
27. #> 
28.  
29. ### 
30. # Start of Script 
31. ## 
32.  
33. # Speficy computer and get Local Time 
34. $Computer = "." 
35. $times = Get-WmiObject Win32_LocalTime -computer $computer 
36.  
37. # Now display the result 
38.  
39. Foreach ($time in $times) { 
40. "Day          : {0}"  -f $Time.Day 
41. "Day Of Week  : {0}"  -f $Time.DayOfWeek 
42. "Hour         : {0}"  -f $Time.Hour 
43. "Minute       : {0}"  -f $Time.Minute 
44. "Month        : {0}"  -f $Time.Month 
45. "Quarter      : {0}"  -f $Time.Quarter 
46. "Second       : {0}"  -f $time.Second  
47. "Week In Month: {0}"  -f $Time.WeekInMonth  
48. "Year         : {0}"  -f $Time.Year  
49. } 
50. # End of Script 

Technorati Tags: PowerShell,Code,Script,WMI,Win32_LocalTime

Show-TryCatchFinally2.ps1

1. <# 
2. .SYNOPSIS 
3.     MSDN Sample of Try/Catch/Finally in PowerShell 
4. .DESCRIPTION 
5.     This script opens a file gets 1st 10 characters. The idea 
6.     is to show more detail on try/catch/finally with PowerShell 
7. .NOTES 
8.     File Name  : show-trycatchfinally2.ps1 
9.     Author     : Thomas Lee - tfl@psp.co.uk 
10.     Requires   : PowerShell V2 CTP3 
11.                  Also needs c:\foo\gd.txt to exist. 
12. .LINK 
13.     Script posted at:
14.     http://pshscripts.blogspot.com/2009/01/show-trycatchfinally2ps1.html
15.     MSDN Sample
16.     http://msdn.microsoft.com/en-us/library/dszsf989.aspx
18. .EXAMPLE 
19.     PSH [C:\foo]: .Show-TryCatchFinally2.PS1' 
20.     First 10 characters: 
21.     N 
22.     a 
23.     m 
24.     e 
25.  
26.  
27.  
28.  
29.  
30.  
31.     -  
32.     - 
33.     - 
34. #> 
35.  
36. ### 
37. # Start of Script 
38. ## 
39.  
40. # Setup and open a file 
41. $path = "c:\foo\gd.txt" 
42. $file = new-object System.IO.StreamReader $path 
43. $buffer = new-object char[] 10 
44.  
45. # now try and read the file 
46. try { 
47.   [void] $file.ReadBlock($buffer, $index, $buffer.Length) 
48.   "First {0} characters:" -f $buffer.length 
49.   $buffer 
50. } 
51. # catch IO exceptions 
52. catch [System.IO.IOException] { 
53. "Error reading from {0}. Message = {1}" -f $path, $Error[0].Message 
54. } 
55. #cleanup 
56. finally { 
57.  if ($file) { 
58.   $file.Close() 
59. } 
60. } 

Get-ErrorDetails.ps1

1. <# 
2. .SYNOPSIS 
3.     Shows detals of an $Error record for an exception 
4. .DESCRIPTION 
5.     Creates an exception then shows how to find out details.     
6. .NOTES 
7.     File Name  : Get-ErrorDetails.ps1 
8.     Author     : Thomas Lee - tfl@psp.co.uk 
9.     Requires   : PowerShell V2 CTP3 
10. .LINK 
11.     http://pshscripts.blogspot.com/2009/01/get-errordetailsps1.html
12. .EXAMPLE 
13.     PS C:\foo> .\Get-Errordetails.ps1' 
14.     Output - left as an exercise for the reader 
15. #> 
16.  
17. ### 
18. # Start of Script 
19. ### 
20.  
21. # Create divide by zero error 
22.  
23. try { 
24. $zero = 0 
25. 1/$zero   # will throw an exception 
26. } 
27. catch [System.DivideByZeroException] { 
28. "Exception caught in catch block" 
29. $err = $Error[0] 
30.  
31. # display $err contents ($error[0]) 
32. "Contents of Error[0]" 
33. $Err | fl * -Force 
34. "" 
35.  
36. # now - show exception 
37. "Exception details:" 
38. $err.Exception | fl * -Force 
39. "" 
40.  
41. # To get exception try: 
42. "Exception:" 
43. $err.Exception.InnerException | fl * -Force 
44. "" 
45.  
46. # To get actual exception in this case: 
47. "Specific exception name:" 
48. $err.Exception.InnerException.tostring().split(":")[0] 
49. } 
50. catch { 
51. "Some other error occurred" 
52. $Error[0] 
53. } 
54. # End of script 

Technorati Tags: PowerShell,Code,Error handling

Throw-Exception.ps1

1. <# 
2. .SYNOPSIS 
3.    Shows throwing an exception in a function, caught in caller.   
4. .DESCRIPTION 
5.     This is a re-written MSDN Sample 
6. .NOTES 
7.     File Name  : throw-exception.ps1 
8.     Author     : Thomas Lee - tfl@psp.co.uk 
9.     Requires   : PowerShell V2 CTP3 
10. .LINK 
11.     Original script at: 
12.     http://pshscripts.blogspot.com/2009/01/throw-exceptionps1.html
13.     MSDN Sample at: 
14.     http://msdn.microsoft.com/en-us/library/1ah5wsex.aspx  
15. .EXAMPLE 
16.     PS C:\foo> .\Throw-Exception.ps1 
17.     Num[0] - Result = 300 
18.     Trying to get Num[4] 
19.     In catch block 
20.     Error caught: System.IndexOutOfRangeException 
21. #> 
22.  
23. ### 
24. #  Start of script 
25. ### 
26.  
27.  
28. # Helper function 
29. function GetNumber{ 
30.  param ($index) 
31.  $nums = 300, 600, 900 
32.  if ($index -gt $nums.Length) { 
33. Throw [system.IndexOutOfRangeException] 
34. } 
35.  else { 
36.  $nums[$index] 
37. } 
38. } 
39.  
40. # Start of main script 
41.  
42. # Get one that works... 
43. $result = GetNumber 0 
44. "Num[0] - Result = {0}" -f $result 
45.  
46. # Now try and catch the following 
47. try { 
48. "Trying to get Num[4]" 
49. $result = GetNumber 4 
50. } 
51. Catch { 
52. "In catch block" 
53. "Error caught: {0}" -f $Error[0] 
54. } 

Technorati Tags: Throw,PowerShell,PowerShell Script

Get-TryCatchFinally.ps1

1. <# 
2. .SYNOPSIS 
3.     Shows Try/Catch/Finally using Powershell 
4. .DESCRIPTION 
5.     This is an MSDN Sample, re-written in PowerShell 
6. .NOTES 
7.     File Name  : get-trycatchfinally.ps1 
8.     Author     : Thomas Lee - tfl@psp.co.uk 
9.     Requires   : PowerShell V2 CTP3 
10. .LINK 
11.     Original script posted to: 
12.     http://pshscripts.blogspot.com/2009/01/get-trycatchfinallyps1.html
13.     MSDN Sample at: 
14.     http://msdn.microsoft.com/en-us/library/zwc8s4fz.aspx 
15. .EXAMPLE 
16.     PS C:\foo> .\Get-TryCatchFinally.ps1 
17.     Error in conversion 
18.     Error record: Cannot convert value "Some string" to type "System.Int32". Error: "Input string was not in a correct format." 
19.     $i = 123 
20.     $i = System.Int32 
21. #> 
22.  
23. ### 
24. # Start of script 
25. ### 
26.  
27. # Create some explicitly typed values 
28. [int]    $i = 123 
29. [string] $s = "Some string" 
30. [object] $o = $s 
31.  
32. # Now try to convert an object into an integer (which will fail) 
33.  
34. try { 
35. # Invalid conversion; $o contains a string not an int 
36. $i = [int] $o 
37. } 
38.  
39. # catch the error and display 
40. catch { 
41. "Error in conversion" 
42. "Error record: {0}" -f $Error[0] 
43. } 
44. # Clean up 
45. finally { 
46. "`$i = {0}" -f $i 
47. "`$i = {0}" -f $i.gettype() 
48. } 
49. # End of Script 

Technorati Tags: PowerShell,PowerShell Script,script,try,catch,finally

100 Scripts So Far

I’ve been posting PowerShell scripts for just over 6 months. Traffic to this blog has been growing slowly – and for a niche blog rather nicely.

Yesterday, I hit 100 scripts in the archive. You can download these scripts from here. Enjoy!

Technorati Tags: PowerShell Scripts

Get-LeapYear.ps1

1. <# 
2. .SYNOPSIS 
3.     Demonstrates use of System.Datetime to determine leap year  
4. .DESCRIPTION 
5.     This script creates four date objects and checks to see if 
6.     the date is a leap year. The last object is today's date.  
7. .NOTES 
8.     File Name  : Get-LeapYear.ps1 
9.     Author     : Thomas Lee - tfl@psp.co.uk 
10.     Requires   : PowerShell V2 CTP3 
11. .LINK 
12.     http://www.pshscripts.blogspot.com 
13. .EXAMPLE 
14.     PS c:\foo> .\Get-LeapYear.ps1 
15.     2000 is a leap year: True 
16.     2002 is a leap year: False 
17.     2004 is a leap year: True 
18.     2009 is a leap year: False 
19. #> 
20.  
21. ## 
22. #  Start of script 
23. ## 
24.  
25. # Create three specific date objects, plus today 
26. $d1 = [system.datetime]  "Jan 1 2000" 
27. $d2 = [System.datetime]  "Jan 1 2002" 
28. $d3 = [System.datetime]  "Jan 1 2004" 
29. $d4 = get-date 
30.  
31. # Are they leap years?
32. "{0} is a leap year: {1}" -f $d1.year,([system.datetime]::isleapyear($d1.year)) 
33. "{0} is a leap year: {1}" -f $d2.year,([system.datetime]::isleapyear($d2.year)) 
34. "{0} is a leap year: {1}" -f $d3.year,([system.datetime]::isleapyear($d3.year)) 
35. "{0} is a leap year: {1}" -f $d4.year,([system.datetime]::isleapyear($d4.year)) 
36. # End Script 

Technorati Tags: PowerShell,Code,System.DateTime,IsLeapYear

Get-CountOfJerryShows.ps1

1. <# 
2. .SYNOPSIS 
3.     Counts Jerry Garcia live shows on q: drive   
4. .DESCRIPTION 
5.     I store Jerry Garcia live shows on my Q: drive. This 
6.     script counts the shows by year, and gives a total. 
7. .NOTES 
8.     File Name  : get-countofjerryshows.ps1 
9.     Author     : Thomas Lee - tfl@psp.co.uk 
10.     Requires   : PowerShell V2 CTP3 
11. .LINK 
12.     http://www.pshscripts.blogspot.com 
13. .EXAMPLE 
14.     PS C:\foo> .\get-countofjerryshows 
15.     in: jg_1972_project,    9 shows 
16.     in: jg_1973_project,   39 shows 
17.     in: jg_1974_project,   40 shows 
18.     in: jg_1975_project,   34 shows 
19.     in: jg_1976_project,   52 shows 
20.     in: jg_1977_project,   53 shows 
21.     in: jg_1978_project,   27 shows 
22.     in: jg_1979_project,   31 shows 
23.     in: jg_1980_project,   56 shows 
24.     in: jg_1982_project,   84 shows 
25.     in: jg_1983_project,    3 shows 
26.     in: jg_1984_project,   76 shows 
27.     in: jg_1985_project,   22 shows 
28.     in: jg_1986_project,   25 shows 
29.     in: jg_1989_project,   32 shows 
30.     in: jg_1990_project,    1 shows 
31.     in: jg_1991_project,   64 shows 
32.     in: jg_1992_project,   26 shows 
33.     in: jg_1993_project,    5 shows 
34.     in: jg_1994_project,   36 shows 
35.     in: jg_1995_project,   19 shows 
36.     734 shows in total 
37. #> 
38.  
39. ## 
40. # Start of Script 
41. ## 
42.  
43. # Get starting point and move there 
44.  
45. $jerry = "q:\Jerry Garcia" 
46. cd $jerry 
47.  
48. # Get sub-dirs that contain shows 
49. $dirs = ls | where {$_.Name -match "jg_"} 
50.  
51. # Now iterate and count 
52. $total = 0 
53. foreach ($dir in $dirs) { 
54.   $shows = ls $dir.FullName 
55.   if ($shows.count) {$count=$shows.count} else {$count = 1} 
56.   "In: {0,-15}, {1,4} shows" -f $dir.Name, $count 
57.   $total += $count 
58. } 
59. "{0} shows in total" -f $total 

Technorati Tags: Grateful Dead,Jerry Garcia,shows,PowerShell,script

Send-BCCMail.ps1

1. <# 
2. .SYNOPSIS 
3.     Send mail to BCC using PowerShell 
4. .DESCRIPTION 
5.     This script is a re-developed MSDN Sample using PowerShell. It creates 
6.     an email message then sends it with a BCC. 
7. .NOTES 
8.     File Name  : Send-BCCMail.ps1 
9.     Author     : Thomas Lee - tfl@psp.co.uk 
10.     Requires   : PowerShell V2 CTP3 
11. .LINK 
12.     Original Sample Posted to 
13.     hthttp://pshscripts.blogspot.com/2009/01/send-bccmailps1.html 
14.     MSDN Sample and details at: 
15.     http://msdn.microsoft.com/en-us/library/system.net.mail.mailaddresscollection.aspx 
16. .EXAMPLE 
17.     PS C:\foo> .\Send-BCCMail.ps1 
18.     Sending an e-mail message to The PowerShell Doctor and "Thomas Lee" <tfl@reskit.net> 
19. #> 
20.  
21. ### 
22. # Start Script 
23. ### 
24.  
25. # Create from, to, bcc and the message strucures 
26. $From    = New-Object system.net.Mail.MailAddress "tfl@cookham.net", "Thomas Lee" 
27. $To      = new-object system.net.mail.Mailaddress "doctordns@gmail.com", "The PowerShell Doctor" 
28. $Bcc     = New-Object system.Net.Mail.Mailaddress "tfl@reskit.net", "Thomas Lee" 
29. $Message = New-Object system.Net.Mail.MailMessage $From, $To 
30.  
31. # Populate message 
32. $Message.Subject = "Using the SmtpClient class and PowerShell." 
33. $Message.Body    = "Using this feature, you can send an e-mail message from an" 
34. $Message.Body   += "application very easily. `nEven better, you do it with PowerShell!" 
35.  
36. # Add BCC 
37. $Message.Bcc.Add($bcc); 
38.  
39. # Create SMTP Client 
40. $Server = "localhost" 
41. $Client = New-Object system.Net.Mail.SmtpClient $server 
42. $Client.Credentials = [System.Net.CredentialCache]::DefaultNetworkCredentials 
43. "Sending an e-mail message to {0} and {1}" -f $to.DisplayName, $Message.Bcc.ToString() 
44.  
45. # send the message 
46. try { 
47.     $Client.Send($message); 
48. }   
49. catch { 
50. "Exception caught in Send-BCCMail.ps1: {0}" -f $Error[0] 
51. } 
52.        

Technorati Tags: system.net.mail,powershell,scripts,smtp,mail

Get-UpTime.ps1

1. <# 
2. .SYNOPSIS 
3.     Demonstrates uptime using WMI  
4. .DESCRIPTION 
5.     This script used Win32_ComputerSystem to determine how long your system 
6.     has been running. This is a rewrite/improvement of sample 3 at 
7.     http://msdn.microsoft.com/en-us/library/aa394591(VS.85).aspx.  
8. .NOTES 
9.     File Name : Get-UpTime.ps1 
10.     Author : Thomas Lee - tfl@psp.co.uk 
11.     Requires : PowerShell V2 CTP3 
12. .LINK 
13.     Script Posted to:  
14.     http://www.pshscripts.blogspot.com 
15.     Original sample posted at: 
16.     http://msdn.microsoft.com/en-us/library/aa394591(VS.85).aspx 
17. .EXAMPLE 
18.     PS c:\foo> .\Get-UpTime.Ps1 
19.     System Up for: 1 days, 8 hours, 40.781 minutes 
20.  
21. #> 
22.  
23. ## 
24. #  Start of script 
25. ## 
26.  
27. # Helper Function - convert WMI date to TimeDate object 
28. function WMIDateStringToDate($Bootup) { 
29.     [System.Management.ManagementDateTimeconverter]::ToDateTime($Bootup) 
30. } 
31.  
32. # Main script 
33. $Computer = "." # adjust as needed 
34. $computers = Get-WMIObject -class Win32_OperatingSystem -computer $computer 
35.  
36. foreach ($system in $computers) { 
37.     $Bootup = $system.LastBootUpTime 
38.     $LastBootUpTime = WMIDateStringToDate($Bootup) 
39.     $now = Get-Date 
40.     $Uptime = $now - $lastBootUpTime 
41.     $d = $Uptime.Days 
42.     $h = $Uptime.Hours 
43.     $m = $uptime.Minutes 
44.     $ms= $uptime.Milliseconds 
45.     "System Up for: {0} days, {1} hours, {2}.{3} minutes" -f $d,$h,$m,$ms 
46. }  
47. # End script 

Technorati tags: WMI, PowerShell Scripts, Win32_ComputerSystem, System.Management.WMIStringToDate

Get-Screensaver.ps1

1. <# 
2. .SYNOPSIS 
3.     Determine if a computer screen saver requires a password. 
4. .DESCRIPTION 
5.     This script is a re-write of script 2 on the MSDN site (see 
6.     below for link). This script also displays the user name for 
7.     each desktop and the screen saver executable. 
8. .NOTES 
9.     File Name  : Get-Screensaver.ps1 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell V2 CTP3 
12. .LINK 
13.     Script published to: 
14.     http://www.pshscripts.blogspot.com 
15.     Adapted from MSDN: 
16.     http://msdn.microsoft.com/en-us/library/aa394591(VS.85).aspx 
17. .EXAMPLE 
18.     PS c:\foo> .\Get-Screensaver.ps1 
19.     5 desktops found as follows 
20.     Desktop      : NT AUTHORITY\SYSTEM 
21.     Screen Saver : logon.scr 
22.     Secure       : False 
23.  
24.     Desktop      : NT AUTHORITY\LOCAL SERVICE 
25.     Screen Saver : %SystemRoot%\System32\logon.scr 
26.     Secure       : False 
27.  
28.     Desktop      : NT AUTHORITY\NETWORK SERVICE 
29.     Screen Saver : %SystemRoot%\System32\logon.scr 
30.     Secure       : False 
31.   Win
32.     Desktop      : Cookham\tfl 
33.     Screen Saver : %Systemroot%\tflscreensaver.scr 
34.     Secure       : False 
35.  
36.     Desktop      : .DEFAULT 
37.     Screen Saver : logon.scr 
38.     Secure       : False 
39. #> 
40.  
41. ## 
42. #  Start of script 
43. ## 
44.  
45. $Computer = "." 
46. $Desktops = Get-WMIObject -class Win32_Desktop -ComputerName $computer 
47. "{0} desktops found as follows" -f $desktops.count 
48. foreach ($desktop in $desktops) { 
49. "Desktop      : {0}"  -f $Desktop.Name 
50. "Screen Saver : {0}"  -f $desktop.ScreensaverExecutable 
51. "Secure       : {0} " -f $desktop.ScreenSaverSecure 
52. "" 
53. } 

Technorati tags: WMI, Windows PowerShell, scripts, MSDN library, Win32_Desktop

Get-Hash2.ps1

1. <# 
2. .SYNOPSIS 
3.    Creates a Hash of a file and returns the hash   
4. .DESCRIPTION 
5.     Uses System.Security.Cryptography.HashAlgorithm and members to create
6.     the hash. This script improves on:
7.     http://pshscripts.blogspot.com/2009/01/get-hashpsm1.html by using 
8. .NOTES 
9.     File Name  : Get-Hash1.PSM1 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell V2 CTP3 
12.     Thanks to the #PowerShell Twitter Posse (PTP) for help figuring out
13.     the –verbose parameter. And thanks to the PTP for comments on the
14.     earlier version of this script, which now uses a file stream as 
15.     input to the hash alghorithm. 
16. .LINK 
17.     Posted to         :  http://pshscripts.blogspot.com/2009/01/get-hash2ps1.html
18.     Based on          :  http://tinyurl.com/aycszb written by Bart De Smet 
19.     An improvement of :  http://pshscripts.blogspot.com/2009/01/get-hashpsm1.html 
20. .PARAMETER Algorithm 
21.     The name of one of the hash Algorithms defined at 
22.     http://msdn.microsoft.com/en-us/library/system.security.cryptography.hashalgorithm.aspx 
23. .PARAMETER File 
24.     The name of a file to provide a hash for. 
25. .PARAMETER Verbose 
26.     if specified, this script will produce chattier output. 
27. .EXAMPLE 
28.     PS C:\foo> ls *.txt | where {!$_.psiscontainer}| c:\foo\Get-Hash2.ps1 sha1 -verbose 
29.     OK, I'll be chatty 
30.     The sha1 hash of file C:\foo\asciifile.txt is: "55055a5c8eeb3af7fa6d426314578ee1d56df016" 
31.  
32.     The sha1 hash of file C:\foo\log.txt is: "575f4b35e3cadb9b273095fc463bd43e9a3f5774" 
33.  
34.     The sha1 hash of file C:\foo\sites.txt is: "8ce6663cd2b64a513cf18a831843afd98e190764" 
35.  
36.     The sha1 hash of file C:\foo\test.txt is: "a2f26abbeeb4e6846e159ba506e07cae5496d458" 
37.  
38.     The sha1 hash of file C:\foo\test2.txt is: "9b1baaa9077a3691f8e2685d81ffa24cdd73f71d" 
39.  
40.     The sha1 hash of file C:\foo\unicodefile.txt is: "094ef2696d9eb3374e657eb7c227ff4c36cd0cb9" 
41. .EXAMPLE 
42.     PS C:\foo> ls *.txt | where {!$_.psiscontainer}| c:\foo\Get-Hash2.ps1 sha1 
43.     55055a5c8eeb3af7fa6d426314578ee1d56df016 
44.     575f4b35e3cadb9b273095fc463bd43e9a3f5774 
45.     8ce6663cd2b64a513cf18a831843afd98e190764 
46.     a2f26abbeeb4e6846e159ba506e07cae5496d458 
47.     9b1baaa9077a3691f8e2685d81ffa24cdd73f71d 
48.     094ef2696d9eb3374e657eb7c227ff4c36cd0cb9 
49. .EXAMPLE 
50.     PS C:\foo> Get-Hash  md5 asciifile.txt -verbose 
51.     OK, I'll be chatty 
52.     The md5 hash of file c:\foo\asciifile.txt is: "06f51e7bfced5c0623eec5f72e0999d6" 
53. .EXAMPLE 
54.     PS C:\foo> .\get-hash2 md5 c:\foo\asciifile.txt 
55.     06f51e7bfced5c0623eec5f72e0999d6 
56. #> 
57. #[CmdletBinding()] 
58. param ( 
59. [Parameter(Position=0, mandatory=$true)] 
60. [string] $Algorithm, 
61. [Parameter(Position=1, mandatory=$true, valuefrompipeline=$true)] 
62. [string] $File 
63. ) 
64.  
65. Begin {  
66. if ($VerbosePreference.Value__ -eq 0) {$verbose=$false} else {$verbose=$true} 
67. if ($Verbose) {"OK, I'll be chatty"} 
68. } 
69.  
70. Process { 
71.  
72. if ($VerbosePreference.Value__ -eq 0) {$verbose=$false} else {$verbose=$true} 
73.  
74.     # Get the alghorthm object 
75.     $Algo=[System.Security.Cryptography.HashAlgorithm]::Create($algorithm) 
76.     if ($Algo){ 
77.         # Open the file 
78.         $Filemode = [System.IO.FileMode]::Open 
79.         $Fs = New-Object System.Io.Filestream $File, $Filemode 
80.         if ($fs.length -gt 0) { 
81.             # Now compute hash 
82.             $Hash = $Algo.ComputeHash($Fs)    
83.             $Hashstring ="" 
84.             foreach ($byte in $hash) {$hashstring += $byte.tostring("x2")} 
85.             # pass hash string on 
86.             if ($verbose){ 
87.               "The {0} hash of file {1} is: `"{2}`"" -f $algorithm, $file, $hashstring 
88.               "" 
89.             } 
90.             else { 
91.              $Hashstring 
92.             } 
93.         } 
94.         else { 
95.              if ($verbose) {"File {0} can not be hashed" -f $file ; ""}      
96.         } 
97.         $fs.close() 
98.         } 
99.     else {"Algorithm {0} not found" -f $algorithm} 
100. } 

Technorati Tags: PowerShell,code,scripts,System.Security.Cryptography.HashAlgorithm

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