Backup Double Commander settings folder using 7z

doublecmd-backup.ps1

Param(
    [string]$SourcePath = '~\scoop\persist\doublecmd',
    [string]$DestinationPath = (Resolve-Path '~').Path,
    [string]$Filename = 'DoubleCmd Backup {0}' -f (Get-Date -Format '(yyyy-MM-dd)')
)

# Ensure 7z.exe exists
Get-Command '7z.exe' -CommandType Application -ErrorAction Stop | Out-Null

$archiveName = '{0}.7z' -f (Join-Path -Path $DestinationPath -ChildPath $Filename)
if (Test-Path -LiteralPath $archiveName -PathType Leaf -ErrorAction SilentlyContinue) {
    Write-Warning 'Archive already exists.'
    return
}

$arguments = `
    # a : Add files to archive
    'a', `
    # -bb[0-3] : set output log level
    '-bb3', `
    # -r[-|0] : Recurse subdirectories for name search
    '-r', `
    # -mx[N] : set compression level: -mx1 (fastest) ... -mx9 (ultra)
    '-mx9', `
    # -x[r[-|0]][m[-|2]][w[-]]{@listfile|!wildcard} : eXclude filenames
    '-x!*.exe', `
    # <archive_name>
    ('"{0}"' -f $archiveName), `
    # [<file_names>...]
    '"*"'

Push-Location $SourcePath
Start-Process -FilePath '7z.exe' -ArgumentList $arguments -NoNewWindow -Wait
Pop-Location