snippet     dov
abbr        do |v| ... end
  do |${1:v}|
    ${0}
  end

snippet     stdin
abbr        read lines from stdin
options     head
  ARGF.each do |line|
    ${0}
  end

snippet     filel
abbr        read lines from file
options     head
  File.readlines('${1:#:filepath}').each do |${2:line}|
    ${0}
  end