`$basename -h` Print usage
`$basename --help`
`$basename <file>` Display diff for managed file
`$basename <file> -v` Display diff for managed file in vim
`$basename <package> -l` List all modified files owned by <package>
`$basename <package> -l -q` IDEM Machine-Readable
`$basename <package> -l -v` IDEM Verbose
`$basename <package>` Display all diffs for package
`$basename <package> -v` Display each diff for package in vim successively
`$basename -l` List ALL modified managed files sorted by packages
`$basename -l -q` IDEM Machine-Readable
`$basename -l -v` IDEM Verbose