EOC - Post #1

CheckUsages.ps1

param(
    [Parameter(Mandatory=$true)]
    [string] $Path,
    [Parameter(Mandatory=$true)]
    [string] $Wordlist,
    [array]  $Exclude = @("*.jpg","*.png","*.dll","*.exe","*.so","*.o"),
    [string] $OutputFile = "usages.csv"
)

function Prepare-OutputFile($OutputFile) {
    if (!(Test-Path $OutputFile)) {
        Out-File -FilePath $OutputFile
    }
    else {
        Clear-Content $OutputFile
    }
}

function Get-FileNamesFromFolder($Path, $Exclude) {
    Write-Host "Looking for usages in $Path..."
    return  Get-ChildItem -Path $Path -Exclude $Exclude -Recurse -ErrorAction SilentlyContinue -File | % { $_.FullName }
}

function Find-Usages($Files, $Wordlist, $OutputFile) {
    foreach ($word in Get-Content $Wordlist) {
        # Too much false positives for words of length 2...
        If ($word.Length -lt 3) {
            $word = " $word "
        }

        foreach ($filename in $Files) {
            Get-Content $filename | 
                Select-String -SimpleMatch $word |
                Select-Object @{n='Pattern';e={$word}}, @{n='Path';e={$filename}}, LineNumber, Line |
                Export-Csv $OutputFile -Append 
        }
    }          
    Write-Host "Saved all usages to $OutputFile!"
}

$files = Get-FileNamesFromFolder -Path $Path -Exclude $Exclude
Prepare-OutputFile -OutputFile $OutputFile
Find-Usages -Files $files -Wordlist $Wordlist -OutputFile $OutputFile