Functions/grep.ps1
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filter grep { <# .SYNOPSIS A simple text filter to search for a string .DESCRIPTION A simple text filter to search for a string .PARAMETER Keyword The string searching for .EXAMPLE 'Hello','There' | grep 'Hello' Would return Hello .OUTPUTS [string] .LINK about_Functions #> #region Parameter [CmdletBinding(ConfirmImpact='None')] [OutputType('string')] Param( [Parameter(Mandatory = $False, ValueFromPipeline)] [string[]] $String, [Parameter(Mandatory = $False, ValueFromPipeline = $False)] [string] $Keyword ) #endregion Parameter begin { Write-Verbose -Message "Starting [$($MyInvocation.Mycommand)]" Write-Verbose -Message "String to search for is [$Keyword]" $Line = 0 $Count = 0 } process { foreach ($s in $String) { $Line ++ $Count ++ Write-Verbose -Message "Line $Line is [$($s)]" if ($s) { $s | Where-Object { $_ -match $keyword } } } } End { if (-not $Count) { Write-Verbose -Message 'No input' } Write-Verbose -Message "Ending [$($MyInvocation.Mycommand)]" } } |