Data commit

Task/Introspection/Ruby/introspection-1.rb

@@ -0,0 +1,2 @@
+exit if RUBY_VERSION < '1.8.6'
+puts bloop.abs if defined?(bloop) and bloop.respond_to?(:abs)

Task/Introspection/Ruby/introspection-2.rb

@@ -0,0 +1,23 @@
+def variable_counter(b)
+  int_vars = []
+  sum = 0
+  check_var = lambda do |name, value|
+    if value.is_a?(Integer)
+      int_vars << name
+      sum += value
+    end
+  end
+
+  global_variables.each {|varname| check_var.call(varname, eval(varname.to_s))}
+  eval('local_variables', b).each {|varname| check_var.call(varname, eval(varname.to_s, b))}
+
+  puts "these #{int_vars.length} variables in the global scope are integers:"
+  puts int_vars.inspect
+  puts "their sum is: #{sum}"
+end
+
+an_int = 5
+a_string = 'foo'
+a_float = 3.14
+
+variable_counter(binding)