Private/Initialize-XPathFilter.ps1
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function Initialize-XPathFilter { param( [Object[]] $Items, [String] $ForEachFormatString, [String] $FinalizeFormatString, [switch]$NoParenthesis ) $filter = '' foreach ($item in $Items) { $options = @{ 'NewFilter' = ($ForEachFormatString -f $item) 'ExistingFilter' = $filter 'Logic' = 'or' 'NoParenthesis' = $NoParenthesis } $filter = Join-XPathFilter @options } return $FinalizeFormatString -f $filter <# .SYNOPSIS This function loops thru a set of items and injecting each item in the format string given by ForEachFormatString, then combines each of those items together with 'or' logic using the function Join-XPathFilter, which handles the joining and parenthesis. Before returning the result, it injects the resultant xpath into FinalizeFormatString. This function is a part of Get-WinEventXPathFilter #> } |