Convertto-Html: Highlight the cells with special values?

Question

The following statement will generate a bit html table.

ps | convertto-html

I want to make the text (or the whole line) of \"CPU(s)\" in color

Answer 1

You could use regex-replace with a MatchEvaluator to find the rows with values above 100 and add style="color: #FF0000;" to the row to make the text red.

You can modify the regex + matchevaluator if you only want the CPU-value to be red by adding the color-style to the -tag for the CPU-field.

Ex.

#Get HTML
$html = ps | select name, cpu, Handles, FileVersion | convertto-html

#Get headers
$headers = [regex]::Matches(($html | out-string), "(.*?)")
#Find index of CPU-header
$cpu = $headers | ForEach-Object -Begin { $i = 0 } -Process { if($_.Groups[1].Value -eq 'CPU') { $i } else { $i++ } }

#Regex Replace MatchEvaluator
$ME = {
    param($match)

    #If Group 2 (CPU) is greater than 100
    if([double]::Parse($match.Groups[2].Value) -gt 100) {
        #Add red text-style to row
        '{0}' -f $match.Groups[1].Value
    } else {
        #Return org. value
        $match.Value
    }

}

#Regex replace all lines
$body = $html | Foreach-Object { [regex]::Replace($_, "^((?:[^<]*?<\/td>){$cpu}(\d.*?)<\/td><.*)", $ME) }

Regex-demo @ Regex101