# File lib/phusion_passenger/utils/shellwords.rb, line 7 def self.escape(str) # An empty argument will be skipped, so return empty quotes. return "''" if str.empty? str = str.dup # Treat multibyte characters as is. It is caller's responsibility # to encode the string in the right encoding for the shell # environment. 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