Gumby.CmdHistory.psm1
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using module ListBox using module Window <# .SYNOPSIS Displays the command history and allows to select and invoke a command from it. .PARAMETER Count Maximum number of command history items to select from. .DESCRIPTION The command history is displayed in reverse chronologic order. #> function CmdHistorySelect($Count = 30) { $rawCmdHistory = Get-History -Count $Count $omittedCommands = "Get-History", "ch" # Not using 'Get-Unique' cmdlet here as it requires alphabetical sorting, and I want to preserve # the historic order of commands. $cmdHistory = [System.Collections.ArrayList]::new() for ($i = $rawCmdHistory.Count - 1; $i -ge 0; --$i) { if (($omittedCommands -notcontains $rawCmdHistory[$i].CommandLine) -and ($cmdHistory -notcontains $rawCmdHistory[$i].CommandLine)) { $cmdHistory.Add($rawCmdHistory[$i].CommandLine) | Out-Null } } $horizontalPercent = 0.5 $verticalPercent = 0.5 $width = [console]::WindowWidth * $horizontalPercent $left = [int](([console]::WindowWidth - $width) / 2) $height = [console]::WindowHeight * $verticalPercent $top = [int](([console]::WindowHeight - $height) / 2) $lb = [ListBox]::new($cmdHistory, ([StringLBItem]), $left, $top, $width, $height, ([console]::BackgroundColor), ([console]::ForegroundColor)) $lb.Title = 'Command History' if (($lb.Run() -eq [WindowResult]::OK) -and ($lb.SelectedIndex() -lt $lb.ItemCount())) { Invoke-Expression $lb.SelectedItem().Value() } } |