<# .SYNOPSIS Gets the version number for an assembly .DESCRIPTION .NOTES File Name : Get-AssemblyVersion.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 CTP3 .LINK http://pshscripts.blogspot.co.uk/2008/07/get-assemblyversionps1.html .EXAMPLE PSH [C:\foo]: .\Get-AssemblyVersion.ps1' Assembly: System.Speech has version number of: 3.0.0.0 #> ## # Start of script ## # Define the assembly we want to load - a random reference assembly from SDK 3.0 $Pshfile = "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\system.speech.dll" # Now load the assembly $Myasm = [System.Reflection.Assembly]::Loadfile($Pshfile) # Get name, version and display the results $Aname = $Myasm.GetName() $Aver = $Aname.version # Display results "Assembly: {0} has version number of: {1}" -f $Aname.name, $aver # End of script
Wednesday, 30 July 2008
Get-AssemblyVersion.ps1
Tuesday, 29 July 2008
Get-MathPi.ps1
<# .SYNOPSIS Shows use of PI field .DESCRIPTION This script gets and displays system.math's PI field .NOTES File Name : Get-MathPI.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell .LINK http://www.pshscripts.blogspot.com .EXAMPLE PSH [C:\foo]: .\get-mathpi.ps1 The Value of Pi is 3.14159265358979 #> ## # Start of script ## # Obtain value of Pi $pi = [math]::pi # Display the value "The Value of Pi is {0}" -f $pi # End of Script
Monday, 28 July 2008
Get-MathE.ps1
<# .SYNOPSIS Illustrates the exponential value 'e' .DESCRIPTION This script uses system.math's E field .NOTES File Name : get-mathe.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 .LINK http://pshscripts.blogspot.co.uk/2008/07/get-matheps1.html .EXAMPLE PSH [C:\foo]: . \get-mathe.ps1' The Value of E is 2.71828182845905 #> ## # Start of Script ## # get the value $e = [math]::e # print it out "The Value of E is {0}" -f $e # End of Script
Saturday, 26 July 2008
Get-GuidByteString.ps1
<# .SYNOPSIS Creates and displays a GUID as a byte String .DESCRIPTION This script first creates a guid, then displays it as a byte string .NOTES File Name : Get-GuidByteString.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 .LINK http://pshscripts.blogspot.co.uk/2008/07/get-guidbybytestring.html .EXAMPLE PSH [C:\foo]: .\Get-GuidByteString.ps1' The GUID: 85d9e3b9-b414-481a-a773-57ca98ae893c converted to byte array is: 185 227 217 133 20 180 26 72 167 115 87 202 152 174 137 60 #> # Create a new GUID $g = [system.guid]::newguid() # Get guid into byte array $b=$g.tobytearray() # Finally display the byte array 'The GUID: {0} converted to byte array is:' -f $g $b
Friday, 25 July 2008
New-Guid.ps1
<# .SYNOPSIS Gets a new guid .DESCRIPTION This script used sytem.guid to create a new guiod .NOTES File Name : New-Guid Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell .LINK http://www.pshscripts.blogspot.com .EXAMPLE PSH [C:\foo]: .\New-Guid.ps1 Guid
----
8aadd649-9e6b-4f8c-882d-351636ab5ed4
#> ## # Start of Script ## # Create a new GUID $g = [system.guid]::newguid() # Display the new guid $g # End of script
Thursday, 24 July 2008
Get-EmptyGuid.ps1
# Get-Empty Guid.ps1
# Get's an empty GUID
# thomas lee - tfl@psp.co.uk
# create an empty GUID
$g = [system.guid]::empty
# Display the empty guid
"The Empty guid: {0}" -f $g
This script produces the following output:
PS C:\Users\tfl>
E:\PowerShellScriptLib\System.Guid\Get-EmptyGuid.ps1
The Empty guid: 00000000-0000-0000-0000-000000000000
Wednesday, 23 July 2008
Clear-Stack.ps1
<# .SYNOPSIS Sample of clearing a stack using PowerShell .DESCRIPTION This script creates a script and shows the impact of clearing the stack .NOTES File Name : clear-stack.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 .LINK http://pshscripts.blogspot.com/2008/07/clear-stackps1.html .EXAMPLE PSH [C:\foo]: .\clear-stack.ps1 Initially, Count : 5 Values: jumped fox brown quick The After Clear, Count : 0 Values: #> ## # Start of script ## # Create stack $stack = New-Object system.collections.stack $Stack.Push( 'The' ); $Stack.Push( 'quick' ); $Stack.Push( 'brown' ); $Stack.Push( 'fox' ); $Stack.Push( 'jumped' ); # Display the count and values of the Stack 'Initially,' ' Count : {0}' -f $Stack.Count ' Values:' $Stack # Clear the Stack $Stack.Clear() # Display the count and values of the Stack 'After Clear,' ' Count : {0}' -f $Stack.Count ' Values:' $Stack
Tuesday, 22 July 2008
Get-HashTable2.ps1
<# .SYNOPSIS A rich example of using hash tables with PowerShell .DESCRIPTION This script creates, populates a hash table then operates on the hash table .NOTES File Name : Get-HashTable2.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 .LINK http://pshscripts.blogspot.co.uk/2008/07/get-hashtable2ps1_22.html http://msdn.microsoft.com/en-gb/netframework/aa663309.aspx .EXAMPLE PS c:\foo> Get-HashTable2.ps1 The Hash Table so far Name Value ---- ----- bmp paint.exe rtf wordpad.exe txt notepad.exe dib paint.exe Trying to add an entry with an existing key *** *** An element with Key = "txt" already exists. *** Continuing for key = "rtf", value = wordpad.exe. for key = "rtf", value = winword.exe. The Hash Table so far doc winword.exe bmp paint.exe rtf winword.exe txt notepad.exe dib paint.exe Value added for key = "ht": hypertrm.exe 6 elements in the hash table as follows: doc winword.exe bmp paint.exe ht hypertrm.exe rtf winword.exe txt notepad.exe dib paint.exe Value Entries: Value = winword.exe Value = paint.exe Value = hypertrm.exe Value = winword.exe Value = notepad.exe Value = paint.exe Key Entries Key = doc Key = bmp Key = ht Key = rtf Key = txt Key = dib Removing("doc") Key "doc" is no longer found. #> ### # Start of script ## # create new hash table $openWith = @{} # Add some elements to the hash table. There are no # duplicate keys, but some of the values are duplicates. $openWith.Add('txt', 'notepad.exe') $openWith.Add('dib', 'paint.exe') # Add in a powershell way! $openwith += @{'bmp'='paint.exe'} # or $wordpad = 'wordpad.exe' $openwith += @{'rtf'=$wordpad} # Display the Hash table 'The Hash Table so far' $openwith # The Add method throws an exception if the new key is # already in the hash table. #first catch exception trap [Exception] { '***' write-host "*** An element with Key = `"txt`" already exists." '***' continue } # now the offending line. '';'Trying to add an entry with an existing key' $openWith.Add('txt', 'winword.exe'); 'Continuing';'' # The Item property is the default property, so you # can omit its name when accessing elements # A non-existing key comes up empty "For key = `"rtf`", value = {0}." -f $openWith['rtf'] # The default Item property can be used to change the value # associated with a key. # add an entry for RTF $openWith['rtf'] = 'winword.exe'; "For key = `"rtf`", value = {0}." -f $openWith['rtf'] # If a key does not exist, setting the default Item property # for that key adds a new key/value pair. $openWith['doc'] = 'winword.exe' # Note Progress with this hashtable '';'The Hash Table so far' $openwith '' # The ContainsKey method can be used to test keys before inserting them. # tesst the "ht" key before adding it into the hashtable if (!$openWith.ContainsKey('ht')) { $openWith.Add('ht', 'hypertrm.exe') "Value added for key = `"ht`": {0}" -f $openWith['ht'] } # When you use foreach to enumerate hash table elements, # the elements are retrieved as KeyValuePair objects. '' '{0} elements in the hash table as follows:' -f $openwith.count $openwith # To get the values alone, use the Values property. $valueColl = $openWith.Values # To get the values alone, use the Values property. $valueColl = $openWith.Values # The elements of the ValueCollection are strongly typed #with the type that was specified for hash table values. '';'Value Entries:' foreach( $s in $valueColl ) { 'Value = {0}' -f $s } # To get the keys alone, use the Keys property. $keyColl = $openWith.Keys # The elements of the KeyCollection are strongly typed # with the type that was specified for hash table keys. '';'Key Entries' foreach( $s in $keyColl ){ 'Key = {0}' -f $s } # Use the Remove method to remove a key/value pair. "`nRemoving(`"doc`")" $openWith.Remove('doc') # See if it's there if (!$openWith.ContainsKey('doc')) { "Key `"doc`" is no longer found." } # End of script
Monday, 21 July 2008
Get-Stack2.ps1
<# .SYNOPSIS This script shows the use of a stack. .DESCRIPTION This script uses the system.collections.stack object. .NOTES File Name : Get-Stack2.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell Version 2.0 .LINK This script posted to: http://pshscripts.blogspot.co.uk/2008/07/get-stack2.html .EXAMPLE Psh c:\ .\Get-Stack2.ps1 Stack as start: fox brown quick The (Pop) fox Stack value after Pop: brown quick The (Pop) brown Stack values after 2nd pop: quick The (Peek) quick Stack values after a peek: quick The #> # Create and initialise a new stack object $mystack = new-object system.collections.stack $myStack.Push( 'The' ) $myStack.Push( 'quick' ) $myStack.Push( 'brown' ) $myStack.Push( 'fox' ) # Display the Stack 'Stack as start:' $myStack ''# Pop an element from the Stack. "(Pop)`t`t{0}" -f $myStack.Pop() 'Stack value after Pop:' $myStack '' # Pop another element from the Stack "(Pop)`t`t{0}" -f $myStack.Pop() # Display the Stack after 2nd pop 'Stack values after 2nd pop:' $myStack '' # Peek at the front "(Peek)`t`t{0}" -f $myStack.peek() # Display the Stack after the peek 'Stack values after a peek:' $myStack
Get-HashTable.ps1
<# .SYNOPSIS Sample using Hashtables .DESCRIPTION This script creates, populates and displays a hash table .NOTES File Name : Get-HashTable.ps1 Author : Thomas Lee - tfl@psp.co.ukequires : PowerShell V2 CTP3 .LINK http://www.pshscripts.blogspot.com .EXAMPLE PS C:\foo> Get-HashTable.ps1 The Hashtable contains the following: Name Value ---- ----- four fox two quick three brown one The #> $myht = new-object system.collections.hashtable $myht.Add( "one", "The" ) $myht.Add( "two", "quick" ) # or doing it the PowerShell way $myht += @{"three" = "brown" } $myht += @{"four" = "fox"} # Display the Hashtable. "The Hashtable contains the following:" $myht
Saturday, 19 July 2008
Synch-HashTable.ps1
<# .SYNOPSIS Demonstrates Hashtable IsSynchronized .DESCRIPTION This script creates and populates a hash table, then checks on and displays sync status. .NOTES File Name : Sync-HashTable.ps1A Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 .LINK http://pshscripts.blogspot.co.uk/2008/07/synch-hashtableps1.html .EXAMPLE PS c:\foo> Sync-HashTable.ps1 $myht is synchronised : False $mySyncdht is synchronised : True #> ## # Start of script ## # Create and initialise a new Hashtable $myht = new-object system.collections.hashtable $myht.Add( 0, "zero") $myht.Add( 1, "one") $myht.Add( 2, "two") $myht.Add( 3, "three") # or $myht += @{"4"="four"} # Create a synchronized wrapper around the Hashtable. $mysyncdht = [system.collections.Hashtable]::Synchronized( $myht) # Display the sychronization status of both Hashtables "`$myht is synchronised : {0}" -f $myht.IsSynchronized "`$mySyncdht is synchronised : {0}" -f $mysyncdht.IsSynchronized # End of script
Get-DomainFromAOR.ps1
<# .SYNOPSIS Gets the target domain from the AOR and displays result .DESCRIPTION Defines an AOR, then uses PowerShell to get domain from AOR. See http://cacorner.blogspot.com/2008/07/microsoft-office-communicator-auto.html for the details behind this mini-script. .NOTES File Name : Get-DomainFromAOR.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 CTP3 .LINK See blog posting at: http://pshscripts.blogspot.com/2008/07/get-domainfromaorps1.html .EXAMPLE PS C:\Foo> .\get-domainfromaor.ps1 AOR : sip:tfl@gktrain.net Target Domain : gktrain.net #> ## # Start of Script ## # Determine AOR, then get domain $AOR = "sip:tfl@gktrain.net" $domain = ($aor.split("@"))[1] # Display the results "AOR : {0}" -f $aor "Target Domain : {0}" -f $domain
Thursday, 17 July 2008
Show-HashTableValues.ps1
<# .SYNOPSIS Shows use of Hash tables with PowerSHell .DESCRIPTION This script creates and populates a Hash Table then displays the values, keys, etc. .NOTES File Name : Show-HashtableValues.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 .LINK http://pshscripts.blogspot.co.uk/2008/07/show-hashtablevaluesps1.html .EXAMPLE PSH [C:\foo]: .\show-hashtablevalues.ps1 The Hash Table so far Name Value ---- ----- bmp paint.exe rtf wordpad.exe txt notepad.exe dib paint.exe 4 Keys in this table as follows: 1: bmp 2: rtf 3: txt 4: dib 4 Values in this table as follows: 1: paint.exe 2: wordpad.exe 3: notepad.exe 4: paint.exe #> ## # Start of Script ## # Create new hash table $openWith = new-object system.collections.hashtable # Add some elements to the hash table. $openWith.Add('txt', 'notepad.exe') $openWith.Add('dib', 'paint.exe') # Add more entries in a more Powershell way! $openwith += @{'bmp'='paint.exe'} # or $wordpad = 'wordpad.exe' $openwith += @{'rtf'=$wordpad} # Display the Hash table 'The Hash Table so far' $openwith '' # To get the keys alone, use the Keys property $i=0 '{0} Keys in this table as follows:' -f $openwith.keys.count $openwith.keys | %{'{0}: {1}' -f ++$i, $_} '' # To get the values alone, use the Values property $i=0 '{0} Values in this table as follows:' -f $openwith.values.count $openwith.values | %{'{0}: {1}' -f ++$i, $_} '' # End of Script
Show-HashTableProperties.ps1
<# .SYNOPSIS Shows details of a hash table .DESCRIPTION This script creates, populates then displays a hash table. It then displays table properties, keys, values and does a synchroot. .NOTES File Name : Show-HashTableProperties.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 .LINK http://www.pshscripts.blogspot.com .EXAMPLE PS c:\foo> .\Show-HashTableProperties.ps1 There are 4 in the $openwith hash table as follows: Name Value ---- ----- bmp paint.exe rtf wordpad.exe txt notepad.exe dib paint.exe Count of items in the hashtable : 4 Is hashtable fixed size? : False Is hashtable read-only? : False Is hashtabale synchronised? : False Keys in hashtable: bmp rtf txt dib Values in hashtable paint.exe wordpad.exe notepad.exe paint.exe $sr = System.Object #> ## # Start of Script ## # Create new hash table $openWith = @{} # Add some elements to the hash table. $openWith.Add("txt", "notepad.exe") $openWith.Add("dib", "paint.exe") # Add in a powershell way! $openwith += @{"bmp"="paint.exe"} # or $wordpad = "wordpad.exe" $openwith += @{"rtf"=$wordpad} # Display hash table "There are {0} in the `$openwith hash table as follows:" -f $openwith.count $openwith "" # Display Properties "Count of items in the hashtable : {0}" -f $openwith.Count "Is hashtable fixed size? : {0}" -f $openwith.IsFixedSize "Is hashtable read-only? : {0}" -f $openwith.IsReadonly "Is hashtabale synchronised? : {0}" -f $openwith.IsSynchronized "";"Keys in hashtable:" $openwith.keys "";"Values in hashtable" $openwith.values "" # finally get syncroot (not much there!) $sr = $openwith.syncroot "`$sr = {0}" -f $sr
Zip-File.ps1
<# .SYNOPSIS This script zips a particular file into an existing archive (zip file). .DESCRIPTION For this script, c:\foo\test.zip must exist The script zips c:\test2.txt into c:\foo\test.zip .NOTES File Name : Zip-File.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 CTP3 .LINK http://pshscripts.blogspot.co.uk/2008/07/zip-fileps1.html .EXAMPLE #> ## # Start of Script ## # Get shell object and check to see that file exists $sh = new-object -com shell.application $fl = get-childitem c:\foo\test.zip -Ea 0 if (!$fl) { 'File does not exist - stopping' return } # Get Zip File to zip into $targetzip = $sh.namespace("C:\Foo\test.zip") # where the item is to go # Copy a file into this zip $targetzip.copyhere("C:\foo\test.txt") # Check it now exists ls c:\foo\test.zip # End of Script
Wednesday, 16 July 2008
Get-Hashtable2.ps1
<# .SYNOPSIS A rich example of using hash tables with PowerShell .DESCRIPTION This script creates, populates a hash table then operates on the hash table .NOTES File Name : Get-HashTable2.ps1 Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell V2 CTP3 .LINK http://www.pshscripts.blogspot.com http://msdn.microsoft.com/en-gb/netframework/aa663309.aspx .EXAMPLE PS c:\foo> Get-HashTable2.ps1 The Hash Table so far Name Value ---- ----- bmp paint.exe rtf wordpad.exe txt notepad.exe dib paint.exe Trying to add an entry with an existing key *** *** An element with Key = "txt" already exists. *** Continuing for key = "rtf", value = wordpad.exe. for key = "rtf", value = winword.exe. The Hash Table so far doc winword.exe bmp paint.exe rtf winword.exe txt notepad.exe dib paint.exe Value added for key = "ht": hypertrm.exe 6 elements in the hash table as follows: doc winword.exe bmp paint.exe ht hypertrm.exe rtf winword.exe txt notepad.exe dib paint.exe Value Entries: Value = winword.exe Value = paint.exe Value = hypertrm.exe Value = winword.exe Value = notepad.exe Value = paint.exe Key Entries Key = doc Key = bmp Key = ht Key = rtf Key = txt Key = dib Removing("doc") Key "doc" is no longer found. #> ### # Start of script ## # create new hash table $openWith = @{} # Add some elements to the hash table. There are no # duplicate keys, but some of the values are duplicates. $openWith.Add('txt', 'notepad.exe') $openWith.Add('dib', 'paint.exe') # Add in a powershell way! $openwith += @{'bmp'='paint.exe'} # or $wordpad = 'wordpad.exe' $openwith += @{'rtf'=$wordpad} # Display the Hash table 'The Hash Table so far' $openwith # The Add method throws an exception if the new key is # already in the hash table. #first catch exception trap [Exception] { '***' write-host "*** An element with Key = `"txt`" already exists." '***' continue } # now the offending line. '';'Trying to add an entry with an existing key' $openWith.Add('txt', 'winword.exe'); 'Continuing';'' # The Item property is the default property, so you # can omit its name when accessing elements # A non-existing key comes up empty "For key = `"rtf`", value = {0}." -f $openWith['rtf'] # The default Item property can be used to change the value # associated with a key. # add an entry for RTF $openWith['rtf'] = 'winword.exe'; "For key = `"rtf`", value = {0}." -f $openWith['rtf'] # If a key does not exist, setting the default Item property # for that key adds a new key/value pair. $openWith['doc'] = 'winword.exe' # Note Progress with this hashtable '';'The Hash Table so far' $openwith '' # The ContainsKey method can be used to test keys before inserting them. # tesst the "ht" key before adding it into the hashtable if (!$openWith.ContainsKey('ht')) { $openWith.Add('ht', 'hypertrm.exe') "Value added for key = `"ht`": {0}" -f $openWith['ht'] } # When you use foreach to enumerate hash table elements, # the elements are retrieved as KeyValuePair objects. '' '{0} elements in the hash table as follows:' -f $openwith.count $openwith # To get the values alone, use the Values property. $valueColl = $openWith.Values # To get the values alone, use the Values property. $valueColl = $openWith.Values # The elements of the ValueCollection are strongly typed #with the type that was specified for hash table values. '';'Value Entries:' foreach( $s in $valueColl ) { 'Value = {0}' -f $s } # To get the keys alone, use the Keys property. $keyColl = $openWith.Keys # The elements of the KeyCollection are strongly typed # with the type that was specified for hash table keys. '';'Key Entries' foreach( $s in $keyColl ){ 'Key = {0}' -f $s } # Use the Remove method to remove a key/value pair. "`nRemoving(`"doc`")" $openWith.Remove('doc') # See if it's there if (!$openWith.ContainsKey('doc')) { "Key `"doc`" is no longer found." } # End of script
Tuesday, 15 July 2008
Count-Hashtable.ps1
<# .SYNOPSIS This script displays the count of items in a hash table. .DESCRIPTION This script creates a hash table then prints out the number of items in the table. .NOTES File Name : Author : Thomas Lee - tfl@psp.co.uk Requires : PowerShell Version 2.0 Tested : PowerShell Version 5 .LINK This script posted to: http://pshscripts.blogspot.co.uk/2008/07/count-hashtableps1.html .EXAMPLE PS c:\foo > .\count-hashtable.ps1 There are 4 elements in $myht as follows: Name Value ---- ----- four fox one The three brown two quick #> # Create hashtable and add four elements $myht = new-object system.collections.hashtable $myht.Add( "one", "The" ) $myht.Add( "two", "quick" ) # or doing it the PowerShell way $myht += @{"three" = "brown" } $myht += @{"four" = "fox"} # Display the Hashtable "There are {0} elements in `$myht as follows:" -f $myht.count $myht
Unzip-File.ps1
<# .SYNOPSIS This script unzips a particular file from an archive (zip file) into a folder. .DESCRIPTION For this script, c:\foo\zip1.zip must exist and contain test.txt The script unzips test.txt into c:\foo and tests it's creation. NB: if c:\foo\test.txt alreadyexists, you'll be told and asked (by Windows) to confirm your actions .NOTES File Name : unzip-file.ps1 Author : Thomas Lee - tfl@psp.co.uk requires : PowerShell V2 .LINK http://pshscripts.blogspot.com/2008/07/unzip-fileps1.html .EXAMPLE PS C:\foo> .\unzip-file.ps1 Before Copy: Target (C:\foo\test.txt)) does not exist After copy: Target (C:\foo\test.txt) now exists #> ## # Start of Script ## $sh = new-object -com shell.application # Zip File to unzip from: $zipfolder = $sh.namespace("C:\foo\zip1.zip") # where the .zip is $item = $zipfolder.parsename("Test.txt") # the item in the zip $targetfolder = $sh.namespace("c:\foo") # where the item is to go # first does file exist? cd c:\foo $f = ls test.txt -erroraction silentlycontinue "Before Copy:" if ($f) {"Target ($($f.versioninfo.filename)) exists and you will be promoted for an action"} if (!$f) {"Target (C:\foo\test.txt)) does not exist"} # do the copy of zipfile item to target folder $targetfolder.copyhere($item) # check that it exists "After copy:" cd c:\foo $f = ls test.txt -erroraction silentlycontinue if ($f) {"Target ($($f.versioninfo.filename)) now exists"} # End of Script
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