String

# File lib/vmail/string_ext.rb, line 10
def self.shellescape(str)
  # An empty argument will be skipped, so return empty quotes.
  return "''" if str.empty?

  str = str.dup

  # Process as a single byte sequence because not all shell
  # implementations are multibyte aware.
  str.gsub!(/([^A-Za-z0-9_\-.,:\/@\n])/, "\\\\\\1")

  # A LF cannot be escaped with a backslash because a backslash + LF
  # combo is regarded as line continuation and simply ignored.
  str.gsub!(/\n/, "'\n'")

  return str
end

# File lib/vmail/string_ext.rb, line 2
def col(width)
  self[0,width].ljust(width)
end

# File lib/vmail/string_ext.rb, line 6
def rcol(width) #right justified
  self[0,width].rjust(width)
end