Backup Script

Here's a simple backup script i use to backup my stuff to a external drive.

function xah-backup-drives {

# .DESCRIPTION
# backup my drives
# Version 2021-03-30 2022-06-15
# .LINK
# http://xahlee.info/powershell/powershell_backup_script.html


    Get-Date -Format "yyyy-MM-dd HH:mm"
    echo "Start backup"

    $xDate = Get-Date -Format "yyyy-MM-dd_HHmmss"
    $destDirPath = "f:/xahbackup_${xDate}"

    $null = mkdir $destDirPath

    echo "ssss---------------------------------------------------"
    Get-Date -Format "yyyy-MM-dd HH:mm"
    echo "Start backup xah website git"
    $xahWebGitBackupPath = Join-Path $destDirPath "xahweb_${xDate}.git.zip"
    $gitCommand = "git --git-dir='c:/Users/xah/web/.git/' archive -o '${xahWebGitBackupPath}' HEAD"
    Invoke-Expression $gitCommand

    echo "ssss---------------------------------------------------"
    Get-Date -Format "yyyy-MM-dd HH:mm"
    echo "Start backup c drive"

    $cDriveDirs = "xdoc", "git", "Desktop", "Documents" ;

    $cDriveDirs.foreach({
            echo "zipping $_"
            7z a (Join-Path $destDirPath "$_.7z") "c:/Users/xah/$_/"
        })

    echo "ssss---------------------------------------------------"
    Get-Date -Format "yyyy-MM-dd HH:mm"
    echo "Start backup d drive"

    $dDriveDirs =
    "xah_ddrive_2022",
    "xah_archive";

    $dDriveDirs.foreach({
            echo "zipping $_"
            7z a (Join-Path $destDirPath "$_.7z") "d:/$_/"
        })

    echo "ssss---------------------------------------------------"
    Get-Date -Format "yyyy-MM-dd HH:mm"
    echo "Backup done."

}