grepmail version 3.5

Grepmail searches a normal or gzip'ed mailbox for a given regular expression,
and returns those emails that match it. Piped input is allowed, and date
restrictions are supported.

New in version 3.5:
- grepmail will not try to decompress piped input that is empty.
- Temporary files are now placed in the user's home directory to help avoid
  privacy attacks (or in the directory specified by the TMPDIR environment
  variable, if it exists).
- Fixed a bug that would occasionally leave a tempfile around.

New in version 3.4.1: Fixed a bug that added an extra line to the start of
output.

New in version 3.4: Added tzip support. Reordered flags to better match grep.

Written by David Coppit (coppit@cs.virginia.edu,
  http://www.cs.virginia.edu/~dwc3q/index.html)

Send me email if you would like to be notified of updates.

Please send me any modifications you make. (for the better, that is. :) I have
a suite of tests that I can give you if you ask. Keep in mind that I'm likely
to turn down obscure features to avoid including everything but the kitchen
sink.

This code is distributed under the GNU General Public License (GPL). See
http://www.opensource.org/gpl-license.html and http://www.opensource.org/.
