Extract channels from inventory. invextr [OPTIONS] [input=stdin] [output=stdout] generic#help generic#version generic#config-file generic#plugins generic#daemon generic#print-config-vars generic#validate-schema-params generic#dump-settings verbosity#verbosity verbosity#v verbosity#quiet verbosity#component verbosity#syslog verbosity#lockfile verbosity#console verbosity#debug verbosity#log-file verbosity#print-context verbosity#print-component verbosity#log-utc verbosity#trace