Error: Unknown Puppet subcommand 'strings'

[dungpa45]

Describe the Bug

I have installed puppet and puppet-strings with gem

But it is not have strings subcommand in puppet

Environment

• Gem [v. 3.5.6]
• Ruby [v. 3.1.4p223]
• rvm [v. 1.29.12]
• Puppet [v. 8.5.0]
• Platform [Ubuntu 20.04.6 LTS]

[0x08]

I can confirm, same problem:

11:36 $ rvm --version
rvm 1.29.12-next (master) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io]

11:36 $ ruby -v
ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-linux]

11:36 $ gem list |grep puppet
puppet (8.7.0, 8.6.0)
puppet-resource_api (1.9.0)
puppet-strings (4.1.2)
semantic_puppet (1.1.0)

11:37 $ puppet help strings


USAGE: puppet strings <action> 

Generate Puppet documentation with YARD.

OPTIONS:
  --render-as FORMAT             - The rendering format to use.
  --verbose                      - Whether to log verbosely.
  --debug                        - Whether to log debug information.

ACTIONS:
  describe    undocumented action
  generate    Generate documentation from files.
  server      Runs a local documentation server for the modules in the current
              Puppet environment.

See 'puppet help strings' or 'man puppet-strings' for full help.

11:36 $ puppet strings
Error: Unknown Puppet subcommand 'strings'
See 'puppet help' for help on available puppet subcommands

[0x08]

To add here: the problem only seems to occur when not using the system ruby. Executing rvm use system, installing the required gems and then executing puppet strings does work.