here-documents
Some ways of using here-docs:
name = "bob"
# interpolation
doc = <<DOC
Yo #{name},
what's up
DOC
p doc
#=> " Yo bob,\n what's up\n"
doc = <<DOC
Yo #{name},
what's up
DOC
p doc
#=> " Yo bob,\n what's up\n"
# indent the end marker
doc = <<-DOC
Yo #{name},
what's up
DOC
p doc
# => " Yo bob,\n what's up\n"
doc = <<-DOC
Yo #{name},
what's up
DOC
p doc
# => " Yo bob,\n what's up\n"
# no interpolation
doc = <<-'DOC'
Yo #{name},
what's up
DOC
p doc
# => " Yo \#{name},\n what's up\n"
doc = <<-'DOC'
Yo #{name},
what's up
DOC
p doc
# => " Yo \#{name},\n what's up\n"
# replacing spaces with underscores
doc = <<DOC.gsub(' ', '_')
Yo #{name},
what's up
DOC
p doc
# => "__Yo_bob,\n__what's_up\n"
doc = <<DOC.gsub(' ', '_')
Yo #{name},
what's up
DOC
p doc
# => "__Yo_bob,\n__what's_up\n"