Ruby tips : Here Documents

example.rb

name = 'John'

# default acts as double-quoted string
puts <<heredoc
Hello #{name}
other line 1,
other line 2.
heredoc

# double-quoted string
puts <<"double-quoted"
Hello #{name}
other line 1,
other line 2.
double-quoted

# single-quoted string (string interpolation won't work on the below example)
puts <<'single-quoted'
Hello #{name}
other line 1,
other line 2.
single-quoted