output

print("hello world")

Execution result

$ruby print.rb
hello world

No line breaks There are various other Ruby output methods It is posted in Command Summary

input

ARGV(argument vector)

puts "hello #{ARGV[0]}"

Coding with

$ ruby hello_name.rb Cyoukou

Then

hello Cyoukou

Is output Get the string entered with puts and attach it after Hello Other input methods are listed in Command Summary

source ~/grad_members_20f/members/wjswnsrud12/memo5.org

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