man ha (1): a small file archiver utility

SYNOPSIS

ha <command>[<option><option>...] archive [ name ... ]

After the program name comes a command name (single letter) and options (single letters, appended to the command name without a space).

a[sdqemr012]: Add files matching search pattern to archive.
e[aqty]: Extract files matching search pattern from archive.
x[aqty]: Extract files matching search pattern from archive using path information stored in archive.
l[f]: List files currently in archive.
d[q]: Delete files matching search pattern from archive. If archive does not contain any files after deletion it is removed.
f[sdqemr012]: Freshen files in archive. All files matching search pattern and newer than version already in archive are updated to archive.
u[sdqemr012]: Update files to archive. All files matching search pattern that are newer than version already in archive or are not yet in archive are updated to archive.
t[q]: Test files in archive.

0,1,2: Try compression method #. More than one can be specified.
Methods are:
  0-CPY  Simple copying of files.
  1-ASC Default method using sliding window dictionary followed by arithmetic
        coder. Offers quite good compression on wide variety of file types.
  2-HSC Compression method based on finite context model and arithmetic
        coder. Quite slow for binary data, but offers very good compression
        especially for longer text files.
y: Assume answer yes on all questions.
t: Touch files when extracting. Sets file times to current machine time.
r: Recurse through subdirectories while searching for files matching search pattern.
f: Full listing of stored file information.
m: Move files when archiving. Files are removed from disk after they are successfully written to archive.
a: Set system specific file attributes when extracting files.
s: Find special files when archiving.
e: Do not store pathname information.
q: Quiet operation.
d: Make separate entries for directories. Saves information about empty directories, directory attributes etc. in archive.

This manual page was written by Mikhail Gusarov <[email protected]> for Debian GNU/Linux system (but may be used by others).