Ruby Print Variable

You can also print all the gem specific variables configuration with the gem env command.

Ruby print variable.

We can then print the element s value using puts. Note that print does not do the same. However puts automatically inserts a newline at the end of the line being printed. The ruby print function is used to display output on the screen.

The puts function also displays output. For each element in the sharks array ruby assigns that element to the local variable shark. The string or integer value to be printed is passed as an argument to this function. Let s discover how it works.

Note that older version of ruby. This is like p but it prints big hashes arrays in a nicer way. Using environment variables in ruby. You won t see for in very often though.

Ruby has yet another printing method. Note in ruby you can access value of any variable or constant by putting a hash character just before that variable or constant. Def numbers puts 123 end numbers nil. But it can show up if you try to puts a variable as the last line of a method and you re using the return value of that method.

Here s how it works. Instance variables begin with commat. Ruby runtime programming workflow interactive ruby our roadmap object oriented programming variables reusing variable names things on the right go first built in data types numbers strings true false and nil symbols arrays hashes.