Powershell scripts

.Powershell scripts.md

Powershell scripts

• Add or remove options "Open with <program_name>" for certain file types in the Windows Context Menu
• Create a directory and navigate into it
• Change terminal title
• Create an empty file

add_programs.ps1

<#
.SYNOPSIS
  Edit Windows Context Menu
.DESCRIPTION
  Add or remove options "Open with <program_name>" for certain file types in the Windows Context Menu
.PARAMETER Remove
  Allows to delete previously created options in the Window Context Menu
.EXAMPLE
  PS> ./add_programs.ps1
.EXAMPLE
  PS> ./add_programs.ps1 -Remove $True
.LINK
  https://github.com/alsolovyev
#>

# Check passed parameter
param([bool]$Remove=$False)

# Check administrator rights (#Requires -RunAsAdministrator)
if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
  Write-Warning 'Access denied. Run the script as administrator.' ; break
}

$exts = @('.js', '.html', '.sass', '.css', '.md', '.txt', '.bat', '.ps1', '.reg')
$programs = @(
  @{
    name    = 'subl'
    title   = 'Open with Sublime Text'
    command = '"C:\Program Files\Sublime Text 3\sublime_text.exe" "%1"'
    icon    = 'C:\Program Files\Sublime Text 3\sublime_text.exe,0'
  },
  @{
    name    = 'vscode'
    title   = 'Open with VS Code'
    command = '"C:\Program Files\Microsoft VS Code\Code.exe" "%1"'
    icon    = 'C:\Program Files\Microsoft VS Code\Code.exe,0'
  }
)

$path = 'HKLM:\SOFTWARE\Classes\SystemFileAssociations'

# Iterate over all extensions
foreach ($ext in $exts) {
  if (-not $Remove) {
    # Add keys
    if (-not (Test-Path -Path $path\$ext)) {
      New-Item -Path $path\$ext -Force | out-null
    }

    if (-not (Test-Path -Path $path\$ext\shell)) {
      New-Item -Path $path\$ext\shell -Force | out-null
    }

    # Iterate over all programs
    foreach ($program in $programs) {
      if (-not (Test-Path -Path $path\$ext\shell\$($program.name))) {
        New-Item -Path $path\$ext\shell\$($program.name) -Force | out-null
      }

      if (-not (Test-Path -Path $path\$ext\shell\$($program.name)\command)) {
        New-Item -Path $path\$ext\shell\$($program.name)\command -Force | out-null
      }

      Set-ItemProperty -Path $path\$ext\shell\$($program.name)         -Name '(Default)' -Value $program.title
      Set-ItemProperty -Path $path\$ext\shell\$($program.name)         -Name 'Icon'      -Value $program.icon
      Set-ItemProperty -Path $path\$ext\shell\$($program.name)\command -Name '(Default)' -Value $program.command
    }

  } else {
    # Remove keys
    if (Test-Path -Path $path\$ext) {
      Remove-Item -Path $path\$ext -Recurse -Force
    }
  }
}

mk.ps1

function mk {
  <#
    .SYNOPSIS
      Create a directory and navigate into it
    .DESCRIPTION
      .
    .EXAMPLE
      mk directory_name
    .LINK
      https://github.com/alsolovyev
  #>
  param(
    # Directory name.
    # Aliases: N
    [Parameter(Mandatory=$true, Position=0)]
    [Alias("N")]
    [String] $Name
  )

  if (-not (Test-Path -LiteralPath $Name)) {
    # New-Item -Path $Name -ItemType Directory | Out-Null
    # Set-Location -Path $Name
    try {
        New-Item -Path $Name -ItemType Directory -ErrorAction Stop | Out-Null #-Force
        Set-Location $Name
    }
    catch {
        Write-Error -Message "Unable to create directory '$Name'. Error: $_" -ErrorAction Stop
    }
  }
  else {
    # Write-Warning "The directory `"$Name`" already exists"
    Write-Host "The directory `"$Name`" already exists." -ForegroundColor Red
  }
}

ps-functions.ps1

$host.ui.RawUI.WindowTitle = "kali"

touch.ps1

function touch {
  <#
    .SYNOPSIS
      Create a file
    .DESCRIPTION
      .
    .EXAMPLE
      touch file_name
    .LINK
      https://github.com/alsolovyev
  #>

  param(
    # File name.
    # Aliases: N
    [Parameter(Mandatory=$true, Position=0)]
    [Alias("N")]
    [String] $Name
  )

  # check file existence
  if (-not (Test-Path -LiteralPath $Name)) {
    # New-Item -Path $Name -ItemType File | Out-Null
    # echo $null >> $Name
    try {
        New-Item -Path $Name -ItemType File | Out-Null #-Force
    }
    catch {
        Write-Error -Message "Unable to create file '$Name'. Error: $_" -ErrorAction Stop
    }
  } else {
    # Write-Warning "The file $Name already exists"
    Write-Host "The file `"$Name`" already exists." -ForegroundColor Red
  }
}