1 files changed, 32 insertions, 35 deletions
diff --git a/Tools/scripts/rgrep.py b/Tools/scripts/rgrep.py
index c39bf93..b644206 100755
--- a/Tools/scripts/rgrep.py
+++ b/Tools/scripts/rgrep.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python3
+#! /usr/bin/env python
 
 """Reverse grep.
 
@@ -9,9 +9,8 @@ import sys
 import re
 import getopt
 
-
 def main():
-    bufsize = 64 * 1024
+    bufsize = 64*1024
     reflags = 0
     opts, args = getopt.getopt(sys.argv[1:], "i")
     for o, a in opts:
@@ -24,44 +23,42 @@ def main():
     pattern, filename = args
     try:
         prog = re.compile(pattern, reflags)
-    except re.error as msg:
-        usage("error in regular expression: %s" % msg)
+    except re.error, msg:
+        usage("error in regular expression: %s" % str(msg))
     try:
         f = open(filename)
-    except IOError as msg:
-        usage("can't open %r: %s" % (filename, msg), 1)
-    with f:
-        f.seek(0, 2)
-        pos = f.tell()
-        leftover = None
-        while pos > 0:
-            size = min(pos, bufsize)
-            pos = pos - size
-            f.seek(pos)
-            buffer = f.read(size)
-            lines = buffer.split("\n")
-            del buffer
-            if leftover is None:
-                if not lines[-1]:
-                    del lines[-1]
-            else:
-                lines[-1] = lines[-1] + leftover
-            if pos > 0:
-                leftover = lines[0]
-                del lines[0]
-            else:
-                leftover = None
-            for line in reversed(lines):
-                if prog.search(line):
-                    print(line)
-
+    except IOError, msg:
+        usage("can't open %s: %s" % (repr(filename), str(msg)), 1)
+    f.seek(0, 2)
+    pos = f.tell()
+    leftover = None
+    while pos > 0:
+        size = min(pos, bufsize)
+        pos = pos - size
+        f.seek(pos)
+        buffer = f.read(size)
+        lines = buffer.split("\n")
+        del buffer
+        if leftover is None:
+            if not lines[-1]:
+                del lines[-1]
+        else:
+            lines[-1] = lines[-1] + leftover
+        if pos > 0:
+            leftover = lines[0]
+            del lines[0]
+        else:
+            leftover = None
+        lines.reverse()
+        for line in lines:
+            if prog.search(line):
+                print line
 
 def usage(msg, code=2):
     sys.stdout = sys.stderr
-    print(msg)
-    print(__doc__)
+    print msg
+    print __doc__
     sys.exit(code)
 
-
 if __name__ == '__main__':
     main()