irb usage
irb
** The irb command can run Ruby programs directly from the terminal Activate the function. By the way, irb is an abbreviation for "Interactive Ruby". ** **
I will explain the procedure to execute Ruby simply. This time, we will use a function called the irb command to execute the program without a file.
[Example]Terminal
#Start irb
% irb
[Example] Terminal
** In irb, every time you hit the enter key, you can execute the description up to that point and display the result. ** **
** When exiting irb, write exit </ font> and execute. ** **
[Example] End of irb
#Exit irb
irb(main):001:0> exit
#If it finishes without any problem, you will be prompted
%
Use irb for easy confirmation of the value.
Summary
** irb is to run Ruby programs directly from the terminal Functions that can be performed. ** **