diff --git a/grepid b/grepid
index 79ffec1..94def06 100755
--- a/grepid
+++ b/grepid
@@ -1,97 +1,6 @@
-#!/usr/bin/env python2
+#!/bin/sh
 
-import os
-import sys
-import re
-from subprocess import Popen, PIPE
+pattern="$1"
+shift
 
-COLORS = {
-        'black': 0,
-        'red': 1,
-        'green': 2,
-        'yellow': 3,
-        'blue': 4,
-        'magenta': 5,
-        'cyan': 6,
-        'white': 7,
-        }
-using_color = sys.stdout.isatty()
-
-def usage(prog_name):
-    sys.stdout.write('Usage: %s <identifier> [grep flags/location...]\n' % prog_name)
-
-def ansi_color(out, fg=None, bg=None, bold=False):
-    if using_color:
-        bc = 1 if bold else 0
-        if fg is not None:
-            out.write('\033[%d;%dm' % (bc, 30 + COLORS[fg]))
-        if bg is not None:
-            out.write('\033[%d;%dm' % (bc, 40 + COLORS[bg]))
-
-def ansi_reset(out):
-    if using_color:
-        out.write('\033[0m')
-
-def display_lines(lines, ident):
-    line_no_width = len(lines[-1][0])
-    for line_no, content in lines:
-        ansi_color(sys.stdout, 'magenta')
-        sys.stdout.write('%%%ds: ' % line_no_width % line_no)
-        ansi_reset(sys.stdout)
-        while content != '':
-            m = re.match('(.*?)(%s)(.*)$' % ident, content)
-            if m is None:
-                sys.stdout.write(content)
-                break
-            sys.stdout.write(m.group(1))
-            ansi_color(sys.stdout, 'red')
-            sys.stdout.write(m.group(2))
-            ansi_reset(sys.stdout)
-            content = m.group(3)
-        sys.stdout.write('\n')
-
-def main(argv):
-    if len(argv) < 2:
-        usage(argv[0])
-        return 1
-    flags = ['.']
-    ident = argv[1]
-    if len(argv) >= 3:
-        flags = argv[2:]
-
-    try:
-        process = Popen(['grep', '--exclude-dir=.svn', '--exclude-dir=.git',
-            '--exclude=tags',
-            '--color=never', '-HIrn', '\<%s\>' % ident] + flags, stdout=PIPE)
-
-        last_file_name = ''
-        lines = []
-        for line in iter(process.stdout.readline, ''):
-            line = line.strip()
-            m = re.match('(.*?):(\d+):(.*)$', line)
-            if m is None:
-                last_file_name = ''
-                sys.stdout.write(m)
-                sys.stdout.write('\n')
-                continue
-            file_name, line_no, content = m.group(1, 2, 3)
-            if file_name != last_file_name:
-                if len(lines) > 0:
-                    display_lines(lines, ident)
-                    sys.stdout.write('\n')
-                last_file_name = file_name
-                ansi_color(sys.stdout, 'yellow')
-                sys.stdout.write(last_file_name)
-                sys.stdout.write(':')
-                ansi_reset(sys.stdout)
-                sys.stdout.write('\n')
-                lines = []
-            lines.append((line_no, content))
-        if len(lines) > 0:
-            display_lines(lines, ident)
-    except KeyboardInterrupt:
-        pass
-    return 0
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv))
+exec grep --exclude-dir=.svn --exclude-dir=.git --exclude=tags --color=auto -HIrn "\<$pattern\>" "$@"