Ruby Print Variable

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

Ruby print variable. However puts automatically inserts a newline at the end of the line being printed. The puts function also displays output. Ruby arrays are objects and they provide the each method for working with elements. You won t see for in very often though.

For each element in the sharks array ruby assigns that element to the local variable shark. Note that older version of ruby. This is like p but it prints big hashes arrays in a nicer way. Def numbers puts 123 end numbers nil.

If you want to access these environment variables from ruby there is a special object you can use. The string or integer value to be printed is passed as an argument to this function. Here s how it works. Note that print does not do the same.

Instance variables begin with commat. 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. We can then print the element s value using puts. Global variable in class1 is 10 global variable in class2 is 10 ruby instance variables.

Let s discover how it works. 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. Ruby has yet another printing method.