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Sync files and folders.md

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Sync Files

Usage

rsync <options> <source> <destination>

Backup Mode

Perform a mirrored one way sync of source files to destination, removing deleted files from destination (Archive mode flag -a is the same as -rlptgoD)

rsync -avhP --stats --delete <source> <destination>

Archive Mode

Perform a mirrored one way sync, deleting destination files but retain a destination backup of deleted files in a date stamped folder

rsync -avhP --stats --delete --backup --backup-dir="backup_$(date +\%Y-\%m-\%d)" <source> <destination>

Common Flags

Flags encompassed by archive mode

  • -r recurse into subdirectories
  • -l copy symlinks as symlinks
  • -p preserve permissions
  • -t preserve timestamp
  • -g preserve group
  • -o preserve owner
  • -D preserve device and special files

To opt out of an archive mode default flag

  • --no-<option> (eg. --no-D to disable -D)

Dry Run

  • -n dry run what will be transferred

Display Flags

  • -v verbose output
  • -h human readable output
  • -P show progress and keep partial files

Transfer Flags

  • -u skip files that are newer on the receiver
  • -z compress data during transfer
  • --delete delete extraneous files from destination dirs
  • --exclude=<pattern> exclude files matching <pattern>