Powershell history browser

Microsoft.PowerShell_profile.ps1

function hist {
  param([string]$find)

  if ([string]::IsNullOrWhiteSpace($find)) {
    Write-Host "Usage: hist <search_term><tab>"
    return
  }

  Invoke-Expression $find;
}

# Tab completion for PowerShell 5.1
Register-ArgumentCompleter -CommandName hist -ParameterName find -ScriptBlock {
    param($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameters)

    # Get unique commands from history
    $historyCommands = Get-Content (Get-PSReadlineOption).HistorySavePath |
                       Where-Object { $_ -like "*$wordToComplete*" } |
                       Get-Unique |
                       Select-Object -First 50

    # Return completion results
    $historyCommands | ForEach-Object {
        [System.Management.Automation.CompletionResult]::new(
            "'$_'",
            $_,
            'ParameterValue',
            $_
        )
    }
}

Set-PSReadLineKeyHandler -Chord 'Ctrl+e' -ScriptBlock {
    # Clear line and prompt for search
    [Microsoft.PowerShell.PSConsoleReadLine]::RevertLine();
    [Microsoft.PowerShell.PSConsoleReadLine]::Insert('hist');
}