module Webgen::Tag::ExecuteCommand

Executes the given command and returns the standard output. All special HTML characters are optionally escaped.

Constants

BIT_BUCKET

Public Class Methods

call(tag, body, context) click to toggle source

Execute the command and return the standard output.

   # File lib/webgen/tag/execute_command.rb
16 def self.call(tag, body, context)
17   command = context[:config]['tag.execute_command.command']
18   output = `#{command} 2> #{BIT_BUCKET}`
19   if $?.exitstatus != 0
20     raise Webgen::RenderError.new("Command '#{command}' has return value != 0: #{output}",
21                                   "tag.#{tag}", context.dest_node, context.ref_node)
22   end
23   output = CGI::escapeHTML(output) if context[:config]['tag.execute_command.escape_html']
24   [output, context[:config]['tag.execute_command.process_output']]
25 end