(sharutils.info)shar Warnings

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2.1.15 shar Warnings
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No attempt is made to restore the protection and modification dates for
directories, even if this is done by default for files.  Thus, if a
directory is given to `shar', the protection and modification dates of
corresponding unpacked directory may not match those of the original.

   If a directory is passed to shar, it may be scanned more than once,
to conserve memory.  Therefore, do not change the directory contents
while shar is running.

   Be careful that the output file(s) are not included in the inputs or
shar may loop until the disk fills up.  Be particularly careful when a
directory is passed to shar that the output files are not in that
directory or a subdirectory of it.

   Use of the compression and encoding options will slow the archive
process, perhaps considerably.

   Use of the `--query-user' produces shars which _will_ cause problems
with many unshar procedures.  Use this feature only for archives to be
passed among agreeable parties.  Certainly, `query-user' is NOT for
shell archives which are to be distributed across the net.  The use of
compression in net shars will cause you to be flamed off the earth.
Not using the `--no-timestamp' or `--force-prefix' options may also get
you occasional complaints.  Put these options into your `~/.sharrc'
file.