examples of handling newlines in ruby shell-out

newline_shell_out.rb

# echo -e "abc\nabc"
# echo -e "xyz\
# xyz"

puts `echo "abc\nabc"`
puts `echo "xyz\
xyz"`

abc = "abc\nabc"
puts `echo "#{abc}"`

xyz = "xyz\
xyz"
puts `echo "#{xyz}"`

abc = %Q{echo "abc\nabc"}
puts `#{abc}`

xyz = %Q{echo "xyz\
xyz"}
puts `#{xyz}`