diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/puppet/parser/functions/shellquote.rb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/shellquote.rb b/lib/puppet/parser/functions/shellquote.rb new file mode 100644 index 000000000..6c994520c --- /dev/null +++ b/lib/puppet/parser/functions/shellquote.rb @@ -0,0 +1,41 @@ +module Puppet::Parser::Functions + + Safe = 'a-zA-Z0-9@%_+=:,./-' # Safe unquoted + Dangerous = '!"`$\\' # Unsafe inside double quotes + + newfunction(:shellquote, :type => :rvalue, :doc => "\ + Quote and concatenate arguments for use in Bourne shell. + + Each argument is quoted separately, and then all are concatenated + with spaces. If an argument is an array, the elements of that + array is interpolated within the rest of the arguments; this makes + it possible to have an array of arguments and pass that array to + shellquote() instead of having to specify specify each argument + individually in the call. + ") \ + do |args| + + result = [] + args.flatten.each do |word| + if word.length != 0 and word.count(Safe) == word.length + result << word + elsif word.count(Dangerous) == 0 + result << ('"' + word + '"') + elsif word.count("'") == 0 + result << ("'" + word + "'") + else + r = '"' + word.each_byte() do |c| + if Dangerous.include?(c) + r += "\\" + end + r += c.chr() + end + r += '"' + result << r + end + end + + return result.join(" ") + end +end |