Chapter 6

Activity

This is just one way of doing it. If you got something different that worked, well done. That’s the right way – one of them, anyway. According to Exercises in Programming Style, there are at least 41 others:

$TheTrial = Get-Content -Path .\thetrial.txt -Raw
$StopWords = Get-Content -Path .\stopwords.txt -Raw
$TrialWords = $TheTrial.Split(" ", "`t", "`n", ",","`"",".", [System. StringSplitOptions]::RemoveEmptyEntries)
$Words = [System.Collections.ArrayList]@()
Foreach ($Word in $TrialWords) {
$LWord = $Word.ToLower()
if (!($StopWords.Contains($LWord))) {
$Words.Add($Word)
}
}
$Grouped = ($Words | Group-Object | Sort-Object Count)
$Grouped[-1 .. -10]

Here it is running:

Figure A.5 – The ten most frequent words in an English translation of The Trial

Let’s step through it quickly:

• Lines 1 and 2 bring our two files into PowerShell...