John Sheehan the architect for Microsoft Application Virtualization (aka SoftGrid) recently jumped on the PowerShell bandwagon and was nice enough to write up his experiences. At one point he wrote himself a process monitor which involved putting all the processes into a hashtable indexed by ProcessID. This is a fairly trivial piece of code to write but I always thought that we ought to provide it for people so I decided to blast one out and share it.<\/p>\n
<\/p>\n
This is the code for New-HashTable.ps1<\/p>\n
# FILE: New-HashTable.ps1 <\/p>\n Here it is running:<\/p>\n PS>gps *ss |new-hashtable PS>gps *ss |new-hashtable -key id<\/strong> <\/font><\/p>\n Name Value <\/font><\/p>\n PS>gps *ss |new-hashtable -key product <\/strong><\/font><\/p>\n Name Value <\/font><\/p>\n PS>gps *ss |new-hashtable -key product -NoOverWrite<\/strong> Name Value <\/font><\/p>\n PS>gps *ss |new-hashtable -key product -MakeArray<\/strong> <\/font><\/p>\n Name Value <\/font><\/p>\n Enjoy!<\/p>\n Jeffrey Snover [MSFT] John Sheehan the architect for Microsoft Application Virtualization (aka SoftGrid) recently jumped on the PowerShell bandwagon and was nice enough to write up his experiences. At one point he wrote himself a process monitor which involved putting all the processes into a hashtable indexed by ProcessID. This is a fairly trivial piece of code to […]<\/p>\n","protected":false},"author":600,"featured_media":13641,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-powershell"],"acf":[],"blog_post_summary":" John Sheehan the architect for Microsoft Application Virtualization (aka SoftGrid) recently jumped on the PowerShell bandwagon and was nice enough to write up his experiences. At one point he wrote himself a process monitor which involved putting all the processes into a hashtable indexed by ProcessID. This is a fairly trivial piece of code to […]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/posts\/6931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/users\/600"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/comments?post=6931"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/posts\/6931\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/media\/13641"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/media?parent=6931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/categories?post=6931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/tags?post=6931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
# Author: Jeffrey Snover
# Version: 0.1
#Requires -Version 1.0
param(
$Key=$(Throw "USAGE: New-HashTable -Key <property>"),
[Switch]$NoOverWrite,
[Switch]$MakeArray
)
Begin
{
$hash = @{}
}
Process
{
$Property = $_.$key
if ($NoOverWrite -And $hash.$Property)
{ Write-Error "$Property already exists"
}elseif ($MakeArray)
{
if (!$hash.$Property)
{ $hash.$Property = new-object System.Collections.ArrayList
}
[void]$hash.$Property.Add($_)
}else
{
$hash.$Property = $_
}
}
End
{
$hash
}<\/font><\/p>\n
<\/strong>USAGE: New-HashTable -Key <property>
At c:\\ps\\New-HashTable.ps1:6 char:17
+ $Key=$(Throw <<<< "USAGE: New-HashTable -Key <property>"),
<\/font><\/font><\/p>\n
—- —–
516 516 – csrss
620 620 – lsass
576 576 – csrss
388 388 – smss <\/font><\/p>\n
—- —–
Microsoft® Windows® Operati… 388 – smss <\/font><\/p>\n
c:\\ps\\New-HashTable.ps1 : Microsoft® Windows® Operating System already exists
At line:1 char:23
+ gps *ss |new-hashtable <<<< -key product -NoOverWrite
c:\\ps\\New-HashTable.ps1 : Microsoft® Windows® Operating System already exists
At line:1 char:23
+ gps *ss |new-hashtable <<<< -key product -NoOverWrite
c:\\ps\\New-HashTable.ps1 : Microsoft® Windows® Operating System already exists
At line:1 char:23
+ gps *ss |new-hashtable <<<< -key product -NoOverWrite <\/font><\/font><\/p>\n
<\/font>—- —–
Microsoft® Windows® Operati… 516 – csrss <\/font><\/p>\n
—- —–
Microsoft® Windows® Operati… {516 – csrss, 576 – csrss, 620 – lsass, 388 – smss}<\/font><\/p>\n
Windows Management Partner Architect
Visit the Windows PowerShell Team blog at: http:\/\/blogs.msdn.com\/PowerShell<\/a>
Visit the Windows PowerShell ScriptCenter at: http:\/\/www.microsoft.com\/technet\/scriptcenter\/hubs\/msh.mspx<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"