execute.rb in tty-command-0.3.3

- old
+ new

@@ -4,12 +4,10 @@
 require 'securerandom'
 
 module TTY
   class Command
     module Execute
-      extend self
-
       # Execute command in a child process
       #
       # The caller should ensure that all IO objects are closed
       # when the child process is finished. However, when block
       # is provided this will be taken care of automatically.
@@ -60,11 +58,11 @@
           if fd?(key)
             process_key = fd_to_process_key(key)
             if process_key.to_s == 'in'
               value = convert_to_fd(value)
             end
-            opts[process_key]= value
+            opts[process_key] = value
           end
           opts
         end
       end
 
@@ -75,11 +73,11 @@
           true
         when STDIN, STDOUT, STDERR, $stdin, $stdout, $stderr, ::IO
           true
         when ::IO
           true
-        when ::Fixnum
+        when ::Integer
           object >= 0
         when respond_to?(:to_i) && !object.to_io.nil?
           true
         else
           false
@@ -97,11 +95,11 @@
       end
 
       def convert_to_fd(object)
         return object if fd?(object)
 
-        if object.is_a?(::String) && ::File.exists?(object)
+        if object.is_a?(::String) && ::File.exist?(object)
           return object
         end
 
         tmp = ::Tempfile.new(::SecureRandom.uuid.split('-')[0])
 
@@ -117,10 +115,10 @@
           :in
         when STDOUT, $stdout, :out, :stdout, 1
           :out
         when STDERR, $stderr, :err, :stderr, 2
           :err
-        when Fixnum
+        when Integer
           object >= 0 ? IO.for_fd(object) : nil
         when IO
           object
         when respond_to?(:to_io)
           object.to_io