Es útil pa' cambiar varias configuraciones de varias aplicaciones usando PowerShell.

fijar_tema.ps1

$luna = [char]::ConvertFromUtf32(0x1F31D)
$sol = [char]::ConvertFromUtf32(0x1F31E)
$murcielago = [char]::ConvertFromUtf32(0x1F987)
$nota = [char]::ConvertFromUtf32(0x1F4DD)
$cohete = [char]::ConvertFromUtf32(0x1F680)
$concha = [char]::ConvertFromUtf32(0x1F41A)
$error = [char]::ConvertFromUtf32(0x274C)
$marco = [char]::ConvertFromUtf32(0x1F5BC)
$exito = [char]::ConvertFromUtf32(0x2705)

function Set-DesktopWallpaper {
  param(
    [Parameter(Mandatory=$true)]
    [string]$PicturePath,

    [ValidateSet('Tiled', 'Centered', 'Stretched', 'Fill', 'Fit', 'Span')]
    [string]$Style = 'Fill'
  )

  $definition = @"
  [DllImport("user32.dll", CharSet=CharSet.Auto)]
  public static extern int SystemParametersInfo(int uAction, int uParam, string lpvParam, int fuWinIni);
"@
  Add-Type -MemberDefinition $definition -Name "Win32" -Namespace "Win32Functions"

  $SPIF_UPDATEINIFILE = 0x01
  $SPIF_SENDCHANGE = 0x02
  $SPI_SETDESKWALLPAPER = 0x14

  $styles = @{
    'Tiled' = 0
    'Centered' = 0
    'Stretched' = 2
    'Fill' = 10
    'Fit' = 6
    'Span' = 22
  }

  $tileWallpaper = @{
    'Tiled' = 1
    'Centered' = 0
    'Stretched' = 0
    'Fill' = 0
    'Fit' = 0
    'Span' = 0
  }

  Set-ItemProperty -Path 'HKCU:\Control Panel\Desktop' -Name WallpaperStyle -Value $styles[$Style]
  Set-ItemProperty -Path 'HKCU:\Control Panel\Desktop' -Name TileWallpaper -Value $tileWallpaper[$Style]

  [Win32Functions.Win32]::SystemParametersInfo($SPI_SETDESKWALLPAPER, 0, $PicturePath, $SPIF_UPDATEINIFILE -bor $SPIF_SENDCHANGE) *>$null

  Write-Output "$exito Fondo cambiado con éxito $marco"
}

$llave = "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Themes\Personalize"

if ('light' -eq $args[0])
{
  Set-ItemProperty -Path $llave -Name SystemUsesLightTheme -Value 1
  Set-ItemProperty -Path $llave -Name AppsUseLightTheme -Value 1
}
elseif ('dark' -eq $args[0])
{
  Set-ItemProperty -Path $llave -Name SystemUsesLightTheme -Value 0
  Set-ItemProperty -Path $llave -Name AppsUseLightTheme -Value 0
}

$modo = (Get-ItemProperty -Path $llave).SystemUsesLightTheme -bxor 1

$nvim_cfn = 'C:\Users\xvo5\AppData\Local\nvim\init.lua'
$nvim_guia = '(vim.o.background = )' + "'" + '.+' + "'"

$starship_cfn = 'C:\Users\xvo5\.config\starship.toml'
$starship_guia = '(palette = )".+"'

$pwsh_cfn = 'C:\Users\xvo5\OneDrive - CDC\PowerShell\Microsoft.PowerShell_profile.ps1'
$pwsh_guia = '(\$Flavor = \$Catppuccin)' + "\['.+'\]"

$pwsh_vs22_cfn = 'C:\Users\xvo5\OneDrive - CDC\WindowsPowerShell\Microsoft.PowerShell_profile.ps1'
$pwsh_vs22_guia = '(\$Flavor = \$Catppuccin)' + "\['.+'\]"

$terminal_cfn = 'C:\Users\xvo5\AppData\Local\Packages\Microsoft.WindowsTerminal_8wekyb3d8bbwe\LocalState\settings.json'
$terminal_guia = '("colorScheme": "Catppuccin) ' + '.+' + '(")'

$bat_cfn = 'C:\Users\xvo5\AppData\Roaming\bat\config'
$bat_guia = '(--theme=gruvbox-).+'

if (0 -eq $modo)
{
  Write-Output "$sol Estamos en el modo de luz"
  $sabor = 'latte'
  $modo = 'light'
  $icono = $sol
  $fondo = 'C:\Users\xvo5\OneDrive - CDC\Customization\harmony-latte.png'
}
elseif (1 -eq $modo)
{
  Write-Output "$luna Estamos en el modo oscuro"
  $sabor = 'mocha'
  $modo = 'dark'
  $icono = $luna
  $fondo = 'C:\Users\xvo5\OneDrive - CDC\Customization\harmony-mocha.png'
}
else
{
  Write-Output "$error No se pudo establecer el tema"
  Exit 1
}

$sabor_titulo = (Get-Culture).TextInfo.ToTitleCase($sabor)
$modo_titulo = (Get-Culture).TextInfo.ToTitleCase($modo)

Write-Output "$icono Cambiando modo de la aplicación Bat $murcielago"
(Get-Content $bat_cfn) | % `
  { $_-replace $bat_guia, ('$1' + $modo) } | 
  Set-Content $bat_cfn -Force
bat $bat_cfn -r 1:2

Write-Output "$icono Cambiando modo de la aplicación Terminal $concha"
(Get-Content $terminal_cfn) | % `
  { $_-replace $terminal_guia, ('$1 ' + $sabor_titulo + '$2') } | 
  Set-Content $terminal_cfn -Force
bat $terminal_cfn -r 55:57

Write-Output "$icono Cambiando modo de la aplicación Neovim $nota"
(Get-Content $nvim_cfn) | % `
  { $_-replace $nvim_guia, ('$1' + "'" + $modo + "'") } | 
  Set-Content $nvim_cfn -Force
bat $nvim_cfn -r 899:901

Write-Output "$icono Cambiando modo de la aplicación Starship $cohete"
(Get-Content $starship_cfn) | % `
  { $_-replace $starship_guia, ('$1' + '"' + $modo + '"') } | 
  Set-Content $starship_cfn -Force
bat $starship_cfn -r 7:9

Write-Output "$icono Cambiando modo de la aplicación PowerShell $concha"
(Get-Content $pwsh_cfn) | % `
  { $_-replace $pwsh_guia, ('$1' + "['" + $sabor_titulo + "']") } | 
  Set-Content $pwsh_cfn -Force
bat $pwsh_cfn -r 16:18

Write-Output "$icono Cambiando modo de la aplicación Windows PowerShell $concha"
(Get-Content $pwsh_vs22_cfn) | % `
  { $_-replace $pwsh_vs22_guia, ('$1' + "['" + $sabor_titulo + "']") } | 
  Set-Content $pwsh_vs22_cfn -Force
bat $pwsh_vs22_cfn -r 13:15

Write-Output "$icono Cambiando el fondo de la pantalla $marco"
Set-DesktopWallpaper -PicturePath $fondo -Style Fill

. $PROFILE

# Recargar la ruta de mi usario
$env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")