compsize

Calculate the compression ratio of a set of files on a btrfs filesystem.

See also `btrfs filesystem` for recompressing a file by defragmenting it.

• Calculate the current compression ratio for a file or directory:

sudo compsize {path/to/file_or_directory}

• Don't traverse filesystem boundaries:

sudo compsize --one-file-system {path/to/file_or_directory}

• Show raw byte counts instead of human-readable sizes:

sudo compsize --bytes {path/to/file_or_directory}

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