diff --git a/syslog-summary b/syslog-summary
index abf6381..a658c14 100755
--- a/syslog-summary
+++ b/syslog-summary
@@ -35,6 +35,8 @@ Lars Wirzenius <liw@iki.fi>
 Tommi Virtanen <tv@debian.org>
 David Paleino <d.paleino@gmail.com>"""
 
+from __future__ import print_function
+
 version = "1.14"
 
 import sys, re, getopt, string
@@ -62,7 +64,7 @@ def io_error(err, filename, die=True):
 		if die:
 			traceback.print_exc(file=sys.stderr)
 		else:
-			print "[E] %s [%s(%s) - %s]" % (os.strerror(num), errno.errorcode[num], num, filename)
+			print("[E] %s [%s(%s) - %s]" % (os.strerror(num), errno.errorcode[num], num, filename))
 
 	if die:
 		sys.exit(1)
@@ -72,7 +74,7 @@ def read_patterns(filename):
 	pats = []
 	try:
 		f = open(filename, "r")
-	except IOError, e:
+	except IOError as e:
 		io_error(e, filename, False)
 		return []
 	for line in f:
@@ -91,7 +93,7 @@ def read_states(filename):
 		return states
 	try:
 		f = open(filename, "r")
-	except IOError, e:
+	except IOError as e:
 		io_error(e, filename, False)
 		return states
 	for line in f:
@@ -105,9 +107,9 @@ def save_states(filename, states):
 		return
 	try:
 		f = open(filename, "w")
-	except IOError, e:
+	except IOError as e:
 		io_error(e, filename, True)
-	for filename in states.keys():
+	for filename in list(states.keys()):
 		value = states[filename]
 		f.write("%s %d %s\n" % (filename, value[0], value[1]))
 	f.close()
@@ -123,7 +125,7 @@ def split_date(line):
 		m = pat.match(line)
 		if m:
 			return line[:m.end()], line[m.end():]
-	print "line has bad date", "<" + string.rstrip(line) + ">"
+	print("line has bad date", "<" + string.rstrip(line) + ">")
 	return None, line
 
 def is_gzipped(filename):
@@ -152,7 +154,7 @@ def summarize(filename, states):
 	order = []
 	ignored_count = 0
 	if not QUIET:
-		print "Summarizing %s" % filename
+		print("Summarizing %s" % filename)
 	
 	# If the file is a gzipped log, open it
 	# using the proper function from the gzip
@@ -162,7 +164,7 @@ def summarize(filename, states):
 			file = gzopen(filename, "rb")
 		else:
 			file = open(filename, "r")
-	except IOError, e:
+	except IOError as e:
 		io_error(e, filename, True)
 		
 	linecount = 0
@@ -170,7 +172,7 @@ def summarize(filename, states):
 	shaobj = sha1()
 	if filename in states:
 		oldlines, oldsha = states[filename]
-		for i in xrange(oldlines):
+		for i in range(oldlines):
 			line = file.readline()
 			shaobj.update(line)
 #		print "OLD-new: %s" % shaobj.hexdigest()
@@ -182,7 +184,7 @@ def summarize(filename, states):
 		else:
 			linecount = oldlines
 	if not QUIET:
-		print "%8d Lines skipped (already processed)" % linecount
+		print("%8d Lines skipped (already processed)" % linecount)
 
 	line = file.readline()
 	previous = None
@@ -190,13 +192,13 @@ def summarize(filename, states):
 	foo=0
 	while line:
 #		foo+=1
-		shaobj.update(line)
+		shaobj.update(line.encode())
 		linecount += 1
 		
 		if should_be_ignored(line):
 			ignored_count += 1
 			if DEBUG:
-				print "Ignoring: %s" % line
+				print("Ignoring: %s" % line)
 			line = file.readline()
 		
 		date, rest = split_date(line)
@@ -213,7 +215,7 @@ def summarize(filename, states):
 			count = int(repeated.group(1))
 			rest = previous
 
-		if counts.has_key(rest):
+		if rest in counts:
 			counts[rest] = counts[rest] + count
 		else:
 			assert count == 1
@@ -233,14 +235,14 @@ def summarize(filename, states):
 #	print states
 	
 	if QUIET and order:
-		print "Summarizing %s" % filename
+		print("Summarizing %s" % filename)
 	if not QUIET or order:
-		print "%8d Patterns to ignore" % len(ignore_pats)
-		print "%8d Ignored lines" % ignored_count
+		print("%8d Patterns to ignore" % len(ignore_pats))
+		print("%8d Ignored lines" % ignored_count)
 	for rest in order:
-		print "%8d %s" % (counts[rest], rest),
+		print("%8d %s" % (counts[rest], rest), end='')
 	if not QUIET or order:
-		print
+		print()
 
 def main():
 	global ignore_pats, IGNORE_FILENAME, STATE_FILENAME, REPEAT, QUIET, DEBUG