grepmail: search mailboxes for mail matching an expression

    2021-03-06 14:08           0 usr/
    2021-03-06 14:08           0 usr/bin/
    2021-03-06 14:05       73231 usr/bin/grepmail
    2021-03-06 14:08           0 usr/share/
    2021-03-06 14:08           0 usr/share/doc/
    2021-03-06 14:08           0 usr/share/doc/Cygwin/
    2021-03-06 14:08        2382 usr/share/doc/Cygwin/grepmail.README
    2021-03-06 14:08           0 usr/share/doc/grepmail/
    2021-03-06 14:08       30760 usr/share/doc/grepmail/CHANGES
    2021-03-06 14:08       18009 usr/share/doc/grepmail/LICENSE
    2021-03-06 14:08         434 usr/share/doc/grepmail/META.yml
    2021-03-06 14:08        1172 usr/share/doc/grepmail/MYMETA.json
    2021-03-06 14:08         711 usr/share/doc/grepmail/MYMETA.yml
    2021-03-06 14:08        6683 usr/share/doc/grepmail/README
    2021-03-06 14:08           0 usr/share/man/
    2021-03-06 14:08           0 usr/share/man/man1/
    2021-03-06 14:05        7281 usr/share/man/man1/grepmail.1.gz