X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/79c4de2a0f32604f0ae6a4e4845bdac8f44b6e81..ee0ef5c5d7eaa3ac164c407e84aec84842c79e88:/tools/findbits.py

diff --git a/tools/findbits.py b/tools/findbits.py
index 03e0c4e0..84f4670f 100755
--- a/tools/findbits.py
+++ b/tools/findbits.py
@@ -26,15 +26,7 @@ import string
 
 # invert binary string
 def invert(data):
-	i=  0
-	out= ''
-	while(i < len(data)):
-		if data[i] == '0':
-			out += '1'
-		else:
-			out += '0'
-		i += 1
-	return out
+	return ''.join('0' if c == '1' else '1' for c in data)
 
 # do the actual search
 def search(target,data):
@@ -47,18 +39,11 @@ def search(target,data):
 
 # convert integer to binary string
 def binstring(number):
-	out= ''
-	while number > 0:
-		out += chr(0x30 + (number & 0x01))
-		number= number >> 1
-	return stringreverse(out)
+	return bin(number)[2:] if number > 0 else ''
 
 # reverse string order
 def stringreverse(data):
-	out= ''
-	for x in range(len(data) -1,-1,-1):
-		out += data[x]
-	return out
+	return data[::-1]
 
 # match forward, backward and inverted
 def domatch(number,binary):