everyday backup doesn't run from cron (related to debian#341881)
ii backupninja 0.9.4-6 lightweight, extensible meta-backup system
Backup runs if invoked manually but doesn't run if invoked by cron.
Debug showed that putting
tr -d '[:alpha:]'
instead of
tr -d [:alpha:]
helps.
(from redmine: created on 2007-08-02, closed on 2007-10-12)