GetReordSet01

<#
    .synopsis
    Get the content of a text file, e.g. http://norvig.com/big.txt - 6.5MB
    From that content, copy to an array every record that has "t" at location 21 (offset 0)
    Count the records in that array
#>
$fullContent = Get-Content -Path C:\temp\big.txt
$fullContent.Count
$filteredContent = @()
$fullContent | foreach {
        if ($_[21] -eq "t") {
            $filteredContent += $_
        }
     }
$filteredContent
$filteredContent.Count