pwsh-handy-helpers.psm1
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function Find-Duplicates { <# .SYNOPSIS Helper function that calculates file hash values to find duplicate files recursively .EXAMPLE Find-Duplicates <path to folder> .EXAMPLE pwd | Find-Duplicates #> [CmdletBinding()] param ( [Parameter(Mandatory=$true,ValueFromPipeline=$true)] [string] $Name ) Get-Item $Name | Get-ChildItem -Recurse | Get-FileHash | Group-Object -Property Hash | Where-Object Count -GT 1 | ForEach-Object {$_.Group | Select-Object Path, Hash} | Write-Output } function Get-File { <# .SYNOPSIS Download a file from an internet endpoint (ex: http://example.com/file.txt) .EXAMPLE Get-File http://example.com/file.txt .EXAMPLE Get-File http://example.com/file.txt -File myfile.txt .EXAMPLE echo "http://example.com/file.txt" | Get-File #> [CmdletBinding()] param( [Parameter(Mandatory=$true,Position=0,ValueFromPipeline=$true)] [string] $Url, [string] $File="download.txt" ) $client = New-Object System.Net.WebClient $client.DownloadFile($Url, $File) } function Home { [CmdletBinding()] [Alias('~')] param() Set-Location ~ } function Install-SshServer { <# .SYNOPSIS Install OpenSSH server https://docs.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse #> [CmdletBinding(SupportsShouldProcess=$true)] param() Write-Verbose '=> Enabling OpenSSH server' Add-WindowsCapability -Online -Name OpenSSH.Server~~~~0.0.1.0 Write-Verbose '=> Starting sshd service' Start-Service sshd Write-Verbose '=> Setting sshd service to start automatically' Set-Service -Name sshd -StartupType 'Automatic' Write-Verbose '=> Adding firewall rule for sshd' New-NetFirewallRule -Name sshd -DisplayName 'OpenSSH Server (sshd)' -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 22 } function Invoke-DockerInspectAddress { <# .SYNOPSIS Get IP address of Docker container at given name (or ID) .EXAMPLE dip <container name/id> .EXAMPLE echo <container name/id> | dip #> [CmdletBinding()] [Alias('dip')] param( [Parameter(Mandatory=$true,Position=0,ValueFromPipeline=$true)] [string] $Name ) docker inspect --format '{{ .NetworkSettings.IPAddress }}' $Name } function Invoke-DockerRemoveAll { <# .SYNOPSIS Remove ALL Docker containers .EXAMPLE dra <container name/id> #> [CmdletBinding()] [Alias('dra')] param() docker stop $(docker ps -a -q); docker rm $(docker ps -a -q) } function Invoke-DockerRemoveAllImages { <# .SYNOPSIS Remove ALL Docker images .EXAMPLE drai <container name/id> #> [CmdletBinding()] [Alias('drai')] param() docker rmi $(docker images -a -q) } function Invoke-GitCommand { git $args } function Invoke-GitCommit { git commit -vam $args } function Invoke-GitDiff { git diff $args } function Invoke-GitPushMaster { git push origin master } function Invoke-GitStatus { git status -sb } function Invoke-GitRebase { git rebase -i $args } function Invoke-GitLog { git log --oneline --decorate } function New-DailyShutdownJob { <# .SYNOPSIS Create job to shutdown computer at a certain time every day .EXAMPLE New-DailyShutdownJob -At "22:00" #> [CmdletBinding()] param( [Parameter(Mandatory=$true)] [string] $At ) if (Test-Admin) { $trigger = New-JobTrigger -Daily -At $At Register-ScheduledJob -Name "DailyShutdown" -ScriptBlock { Stop-Computer -Force } -Trigger $trigger } else { Write-Error "==> New-DailyShutdownJob requires Administrator privileges" } } function New-File { <# .SYNOPSIS Powershell equivalent of linux "touch" command (includes "touch" alias) .EXAMPLE New-File <file name> .EXAMPLE touch <file name> #> [CmdletBinding(SupportsShouldProcess=$true)] [Alias('touch')] param ( [Parameter(Mandatory=$true)] [string] $Name ) if (Test-Path $Name) { (Get-ChildItem $Name).LastWriteTime = Get-Date } else { New-Item -Path . -Name $Name -ItemType "file" -Value "" } } function New-SshKey { [CmdletBinding()] param( [Parameter()] [string] $Name="id_rsa" ) Write-Verbose "==> Generating SSH key pair" $Path = "~/.ssh/$Name" ssh-keygen --% -q -b 4096 -t rsa -N "" -f TEMPORARY_FILE_NAME Move-Item -Path TEMPORARY_FILE_NAME -Destination $Path Move-Item -Path TEMPORARY_FILE_NAME.pub -Destination "$Path.pub" if (Test-Path "$Path.pub") { Write-Verbose "==> $Name SSH private key saved to $Path" Write-Verbose "==> Saving SSH public key to clipboard" Get-Content "$Path.pub" | Set-Clipboard Write-Output "==> Public key saved to clipboard" } else { Write-Error "==> Failed to create SSH key" } } function Remove-DailyShutdownJob { <# .SYNOPSIS Remove job created with New-DailyShutdownJob .EXAMPLE Remove-DailyShutdownJob #> [CmdletBinding()] param() if (Test-Admin) { Unregister-ScheduledJob -Name "DailyShutdown" } else { Write-Error "==> Remove-DailyShutdownJob requires Administrator privileges" } } function Remove-DirectoryForce { <# .SYNOPSIS Powershell equivalent of linux "rm -frd" .EXAMPLE rf <folder name> #> [CmdletBinding(SupportsShouldProcess=$true)] [Alias('rf')] param ( [Parameter(Mandatory=$true)] [string] $Name ) $Path = Join-Path (Get-Location) $Name if (Test-Path $Path) { $Cleaned = Resolve-Path $Path Write-Verbose "=> Deleting $Cleaned" Remove-Item -Path $Cleaned -Recurse Write-Verbose "=> Deleted $Cleaned" } else { Write-Error 'Bad input. No folders/files were deleted' } } function Take { <# .SYNOPSIS Powershell equivalent of oh-my-zsh take function .DESCRIPTION Using take will create a new directory and then enter the driectory .EXAMPLE take <folder name> #> [CmdletBinding(SupportsShouldProcess=$true)] param ( [Parameter(Mandatory=$true)] [string] $Name ) $Path = Join-Path (Get-Location) $Name if (Test-Path $Path) { Write-Verbose "=> $Path exists" Write-Verbose "=> Entering $Path" Set-Location $Path } else { Write-Verbose "=> Creating $Path" mkdir $Path if (Test-Path $Path) { Write-Verbose "=> Entering $Path" Set-Location $Path } } Write-Verbose "=> pwd is $(Get-Location)" } function Test-Admin { <# .SYNOPSIS Helper function that returns true if user is in the "built-in" "admin" group, false otherwise .EXAMPLE Test-Admin #> [CmdletBinding()] [OutputType([bool])] param () ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator) | Write-Output } function Test-Empty { <# .SYNOPSIS Helper function that returns true if directory is empty, false otherwise .EXAMPLE echo <folder name> | Test-Empty .EXAMPLE dir . | %{Test-Empty $_.FullName} #> [CmdletBinding()] [ValidateNotNullorEmpty()] [OutputType([bool])] param ( [Parameter(Mandatory=$true,ValueFromPipeline=$true)] [string] $Name ) Get-Item $Name | ForEach-Object {$_.psiscontainer -AND $_.GetFileSystemInfos().Count -EQ 0} | Write-Output } function Test-Installed { [CmdletBinding()] [OutputType([bool])] param( [string] $Name ) Get-Module -ListAvailable -Name $Name } # # Aliases # Set-Alias -Scope Global -Option AllScope -Name la -Value Get-ChildItem Set-Alias -Scope Global -Option AllScope -Name ls -Value Get-ChildItemColorFormatWide Set-Alias -Scope Global -Option AllScope -Name g -Value Invoke-GitCommand Set-Alias -Scope Global -Option AllScope -Name gcam -Value Invoke-GitCommit Set-Alias -Scope Global -Option AllScope -Name gd -Value Invoke-GitDiff Set-Alias -Scope Global -Option AllScope -Name glo -Value Invoke-GitLog Set-Alias -Scope Global -Option AllScope -Name gpom -Value Invoke-GitPushMaster Set-Alias -Scope Global -Option AllScope -Name grbi -Value Invoke-GitRebase Set-Alias -Scope Global -Option AllScope -Name gsb -Value Invoke-GitStatus |