Thursday, September 10, 2015
Thor is a toolkit for building powerful command-line interfaces.
It always been used for single command line. If I want to use it in a rails project, for example:
lib/tasks/my_cli.rb
require "thor"
class MyCLI < Thor
desc "hello NAME", "say hello to NAME"
def hello(name)
puts "Hello #{name}"
end
endWhere to put the `MyCLI.start(ARGV)`?
If I put it under that file(`lib/tasks/my_cli.rb`), when I run my rspec test, it will show me the command message:
Commands:
rspec help [COMMAND] # Describe available commands or one specific command
rspec hello NAME # say hello to NAME
I don't want to see it in my `bundle exec rspec`, so I moved the `MyCLI.start(ARGV)` to `bin/rails`. It looks well. But after I do this:
$ ./bin/rails s -b 0.0.0.0
$ [CTRL+C]I saw this message:
=> Booting Thin
=> Rails 4.2.0 application starting in development on http://0.0.0.0:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Thin web server (v1.6.3 codename Protein Powder)
Maximum connections set to 1024
Listening on 0.0.0.0:3000, CTRL+C to stop
^CStopping ...
Exiting
Could not find command "_b".What does it mean:
Could not find command "_b".So, I don't know a best practice about how to use thor in a rails project.
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