diff -r bddbaaf332d7 Lib/idlelib/IOBinding.py
--- a/Lib/idlelib/IOBinding.py	Fri Jan 11 19:29:43 2013 -0800
+++ b/Lib/idlelib/IOBinding.py	Sat Jan 12 15:55:38 2013 +0530
@@ -1,4 +1,6 @@
 import os
+import subprocess
+import shlex
 import types
 import sys
 import codecs
@@ -452,23 +454,26 @@
         if platform == 'posix': #posix platform
             command = idleConf.GetOption('main','General',
                                          'print-command-posix')
-            command = command + " 2>&1"
         elif platform == 'nt': #win32 platform
             command = idleConf.GetOption('main','General','print-command-win')
         else: #no printing for this platform
             printPlatform = False
         if printPlatform:  #we can try to print for this platform
             command = command % filename
-            pipe = os.popen(command, "r")
-            # things can get ugly on NT if there is no printer available.
-            output = pipe.read().strip()
-            status = pipe.close()
-            if status:
-                output = "Printing failed (exit status 0x%x)\n" % \
-                         status + output
-            if output:
-                output = "Printing command: %s\n" % repr(command) + output
-                tkMessageBox.showerror("Print status", output, master=self.text)
+            splitted_cmd = shlex.split(command)
+            try:
+                # things can get ugly on NT if there is no printer available.
+                output = subprocess.check_call(splitted_cmd, stderr
+                    = subprocess.STDOUT)
+            except subprocess.CalledProcessError as exc:
+                output = "Printing failed (exit status {:#x})\n{}".format(
+                         exc.returncode, exc.output)
+                output = output.strip()
+                if output:
+                    output = "Printing command: %s\n%s" %\
+                        (" ".join(map(shlex.quote, splitted_cmd)), output)
+                    tkMessageBox.showerror("Print status", output,
+                        master=self.text)
         else:  #no printing for this platform
             message = "Printing is not enabled for this platform: %s" % platform
             tkMessageBox.showinfo("Print status", message, master=self.text)
diff -r bddbaaf332d7 Misc/ACKS
--- a/Misc/ACKS	Fri Jan 11 19:29:43 2013 -0800
+++ b/Misc/ACKS	Sat Jan 12 15:55:38 2013 +0530
@@ -43,6 +43,7 @@
 Jérémy Anger
 Jon Anglin
 Heidi Annexstad
+Ramchandra Apte
 Éric Araujo
 Alicia Arlen
 Jason Asbahr