Powershell script to search a CSV file for numbers in a Column

Hi All

I am working on a project in Powershell to show the output of various share drives in HTML

I need to find a way to search Column 2 for various values from 0 to 2048 and add the following after each one depending on the value.

0-99 Red
100-199 Amber
200-2048 Green

Example below

Column 1      Column 2      Column 3      Column 4
Unc Path_1      18      sharename_1      2048
Unc Path_2      98      sharename_2      2048
Unc Path_3      12      sharename_3      2048
Unc Path_4      18      sharename_4      2048
Unc Path_5      4      sharename_5      2048
Unc Path_6      41      sharename_6      2048
Unc Path_7      72      sharename_7      2048
Unc Path_8      12      sharename_8      2048

Thank you for looking and hopefully you can help me.

Si
LVL 1
Si WaltonAsked:
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oBdACommented:
Assuming we're talking about a real csv file here; your example above would look like this:
"Column 1","Column 2","Column 3","Column 4"
"Unc Path_1","18","sharename_1","2048"
"Unc Path_2","98","sharename_2","2048"
"Unc Path_3","12","sharename_3","2048"
"Unc Path_4","18","sharename_4","2048"
"Unc Path_5","4","sharename_5","2048"
"Unc Path_6","41","sharename_6","2048"
"Unc Path_7","72","sharename_7","2048"
"Unc Path_8","12","sharename_8","2048"

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One-liner for copy and paste into a shell (pipe the output to Export-Csv -NoTypeInformation C:\Temp\export.csv or whatever as required):
Import-Csv "C:\Temp\test.csv" | Select-Object -Property *, @{Name="Column 5"; Expression={Switch ([int]$_."Column 2") {{$_ -in 0..99} {"Red"}; {$_ -in 100..199} {"Amber"}; default {"Green"}}}}

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Unfolded:
Import-Csv "C:\Temp\test.csv" | Select-Object -Property *, `
	@{Name="Column 5"; Expression={
		Switch ([int]$_."Column 2") {
			{$_ -in 0..99} {"Red"}
			{$_ -in 100..199} {"Amber"}
			default {"Green"}
		}
	}}

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Si WaltonAuthor Commented:
Thank you oDba

Thats works a treat

Si
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