When I want to try or debug smthing I run rails console
and do some stuff there. I can print some text or variables from code by raising exception with raise "blablabla"
. Question: How I can just write to rails console without exception raising (and obvious breaking code execution) like a simple logger.info "blah"
?
Go to your browser and open http://localhost:3000, you will see a basic Rails app running. You can also use the alias “s” to start the server: rails s. The server can be run on a different port using the -p option. The default development environment can be changed using -e.
In a Rails app, logs are stored under the /log folder. In development mode, the development. log file is used & you see log output on the terminal you're running rails server on.
Ruby has another three methods for printing output. In the example, we present the p , printf and putc methods. The p calls the inspect method upon the object being printed. The method is useful for debugging.
As other have said, you want to use either puts
or p
. Why? Is that magic?
Actually not. A rails console is, under the hood, an IRB, so all you can do in IRB you will be able to do in a rails console. Since for printing in an IRB we use puts
, we use the same command for printing in a rails console.
You can actually take a look at the console code in the rails source code. See the require of irb? :)
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