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MSH Code - 1/17/2006 8:14:47 AM

ebgreen

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I've decided to start posting snippets of MSH code here. I think I will try to stick with one-liners for the time being but I may do larer snippets if they are especailly useful.

dir | where {test-path $_ -type leaf} | foreach {([io.path]::GetFileNameWithoutExtension($_.name) + "_FOO" + $_.extension)}
This one will rename all of the files (and only files) in the directory to XXX_FOO.yyy where XXX is the original file name and yyy is the original file extension.

< Message edited by ebgreen -- 1/18/2006 4:33:38 AM >

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RE: MSH Code - 1/18/2006 4:33:49 AM

ebgreen

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[System.IO.Directory]::GetDirectories("C:\Test") | foreach {write-host $_ remove-item $_}
This will remove all of the subdirectories of c:\test

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"... when you are good and crazy, oooh, oooh, oooh, the sky is the limit!" - The Tick
Goog places to start:http://www.visualbasicscript.com/m_24727/tm.htm
http://www.visualbasicscript.com/m_47117/tm.htm

(in reply to ebgreen)

Post #: 2

RE: MSH Code - 1/18/2006 5:34:25 AM

ebgreen

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get-process | where {$_.ProcessName -eq "EXCEL"} | Kill
Kills all Excel processes

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"... when you are good and crazy, oooh, oooh, oooh, the sky is the limit!" - The Tick
Goog places to start:http://www.visualbasicscript.com/m_24727/tm.htm
http://www.visualbasicscript.com/m_47117/tm.htm

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Post #: 3

RE: MSH Code - 1/24/2006 1:04:41 AM

crazymatt

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Nice :)

Been starting to look into monad a bit as well, have started to convert my simpliest vbscript to msh scripts just to learn how things works.
Only done WMI questions so far, not sure in what way you can modify data ie. in the file structure or in Active Directory or in the registry.

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Post #: 4

RE: MSH Code - 1/24/2006 6:32:48 AM

ebgreen

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Well, here is a registry script I found that includes changing registry values:

#SetOpenMshHere.msh
 #This script writes registry keys needed to add an "Open MSH Here" option to the right click
 #menu of any folder.
 #Author Thomas Lee
 
 $key =  ls HKLM:\SOFTWARE\Classes\Directory\shell\MSH -ea silentlycontinue
 
 #check if key already exists. If so, stop.
 if ( $key)  {
    Write-Host "Key exists, stopping"
    Return
 }
    
 # Create the key and populate it - the value is what will appear in the Right Click Menu
    
   $new=New-Item HKLM:\SOFTWARE\Classes\Directory\shell\MSHShell    
   $set=Set-Item HKLM:\SOFTWARE\Classes\Directory\shell\MSHShell "MSH Here"
 
 # Now create the command key and populate it - but check that it does not exist.
 # NB: this script has the location of MSH hard coded - you may need to change this going forward
 
 $key = ls HKLM:\SOFTWARE\Classes\Directory\shell\MSH\command -ea silentlycontinue
 
 if (! $key)  {
  $new=New-item HKLM:\SOFTWARE\Classes\Directory\shell\MSHSHell\command
  $set=Set-item HKLM:\SOFTWARE\Classes\Directory\shell\MSHShell\command "C:\Program Files\Microsoft Command Shell\msh.exe -Noexit -Nologo -Command Set-Location '%L'"
 }
 
 # All done - write about it and quit.  
 
 Write-Host "MSH-Here Registry Key setup for use"

_____________________________

"... when you are good and crazy, oooh, oooh, oooh, the sky is the limit!" - The Tick
Goog places to start:http://www.visualbasicscript.com/m_24727/tm.htm
http://www.visualbasicscript.com/m_47117/tm.htm

(in reply to crazymatt)

Post #: 5

RE: MSH Code - 1/24/2006 7:58:15 PM

crazymatt

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Hmm intressting.

I dont quite understand the code though.

$key = ls HKLM:\SOFTWARE\Classes\Directory\shell\MSH\command -ea silentlycontinue
What does the "ls" part in the beginning mean? and why dont you need "" when there are spaces in the string?

if (! $key) {
What does ! mean?
$new=New-item HKLM:\SOFTWARE\Classes\Directory\shell\MSHSHell\command
Does $new=New-item mean that it creates a regkey? How do you specify if the key should be a word/binary/dword and so on?
$set=Set-item HKLM:\SOFTWARE\Classes\Directory\shell\MSHShell\command "C:\Program Files\Microsoft Command Shell\msh.exe -Noexit -Nologo -
Command Set-Location '%L'"
Guess this means it sets the registrykey to a sertian value :)
}

Do you know anywhere where one can find info about these commands (New-item,Set-item and so on)? I cant find any on microsofts site.

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Post #: 6

RE: MSH Code - 1/24/2006 10:20:55 PM

crazymatt

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http://www.informit.com/guides/content.asp?g=windowsserver&seqNum=210&rl=1

That might be a good place to find some info about and understand editing the registry in MSH.

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Post #: 7

RE: MSH Code - 1/25/2006 3:24:13 AM

ebgreen

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What does the "ls" part in the beginning mean?

ls is an alias for get-children. dir is an alias for the same command. So ls basically means list the contents of (ls is the name of the unix equivalent of the dos dir command)

why dont you need "" when there are spaces in the string?

Well there really aren't any spaces in the string that is being passed to the ls command. HKLM:\SOFTWARE\Classes\Directory\shell\MSH\command is the path to list. -ea is the name of a parameter to pass to the ls comman. It is the ErrorAction parameter and the value that is passed into this parameter is silentlycontinue. So, it does not need "" for the same reason that Dir /s c:\Temp would not need "" in a DOS command.

What does ! mean?

! is the logical negation symbol or 'not'.

_____________________________

"... when you are good and crazy, oooh, oooh, oooh, the sky is the limit!" - The Tick
Goog places to start:http://www.visualbasicscript.com/m_24727/tm.htm
http://www.visualbasicscript.com/m_47117/tm.htm

(in reply to crazymatt)

Post #: 8

RE: MSH Code - 1/25/2006 7:54:08 PM

crazymatt

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Doh, should have understood most of that :)

But know i know better.

Did some reading up yesterday on the msh basic, got most of my questions answered there.
So i guess i should have RTFM in the first place ;)

/CM

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Post #: 9

RE: MSH Code - 2/1/2006 6:06:42 AM

kirrilian

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it seems very javascript'ish to me, language wise

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Post #: 10

RE: MSH Code - 2/1/2006 6:55:09 AM

ebgreen

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It pulls from lots of scripting languages. You can see concepts from Perl, Python, *nix shells, etc. in it.

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"... when you are good and crazy, oooh, oooh, oooh, the sky is the limit!" - The Tick
Goog places to start:http://www.visualbasicscript.com/m_24727/tm.htm
http://www.visualbasicscript.com/m_47117/tm.htm

(in reply to kirrilian)