mboxgrep/TODO.md

• ignore .overview when grepping Gnus folders
• inverted matching
• recursive search through directories
• literal date matching
• write Texinfo documentation
• writing selected messages to a new folder
• deleting selected messages
• support for config files
• support for reading messages from stdin
• support for compressed mbox folders
• make use of lockfile library
• make use of Solaris' maillock library
• provide possibility to use flock() instead of fcntl()
• allow run-time selection of file locking method
• provide national language support with gettext()
• MIME support
• enable removing duplicate messages w/ MD5 checksums
• add checking for conflicting command-line options
• support for GnuPG
• support for bzip2 compression
• support for XZ-format compression
• support for mail folder conversion
• support for deletion of messages after being matched and displayed