usage: bomtool [--flags] [modules]

basic options:

  --help                            this message
  --about                           print bomtool version and license to stdout
  --version                         print bomtool version to stdout
  --output FILE                     output SBOM text to FILE
  --define-variable=varname=value   define variable 'varname' as 'value'
  --creation-time                   Use string as creation time (Should be in ISO8601 format) [default: current time]