rotate.sh

#!/bin/bash
if [ $# -lt 1 ]
then
    echo "Usage: rotate (rot|ar)" >&2
    exit 10
fi

set -v
cd /home/maat/Maildir/ || exit 1

archival ()
{
    if [ "$1" = '' ]
    then
        olddir="old"
    else
        olddir="$1.old"
    fi
    if [ ! -d ".$olddir" ]
    then
        maildirmake -f "$olddir" . || exit 2
    fi
    find ".$1/cur/" -ctime "+$2" -exec mv '{}' ".$olddir/cur/" ';'
}

case $1 in
    rot)
    archival bme.info2008 14
    archival bme.info2009 14
    archival bme.duma2008 14
    archival bme.iit 40
    archival '' 30
    ;;
    ar)
    tar cj $(find -type d -name \*.old) > $(date +%Y%m%d).tar.bz2 \
        && exit 7
    find -type d -name \*.old -print0 | xargs -0 rm -rf
    ;;
esac