% sh ./sbackup.sh --help
OpenTools Backup 0.1, a local directory tree to remote site \
backuper.
usage: sbackup.sh [-anh] [-d <number>] [--help] <path> \
<host>[:<path>]
common:
-h print short usage
--help print long usage(this help)
-d, --debug-level=<number> debugging mode with level <number>
-n, --dry-run do not execute but show commands
auto backup mode:
-a, --auto-backup automatic backup by periodic daily, weekly and
monthly
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