Update primes script.

Demo/scripts/README

@@ -2,7 +2,7 @@ This directory contains a collection of executable Python scripts.
 
 See also the Tools/scripts directory!
 
-beer.py			Print the classic 'bottles of beer' list.
+beer.py			Print the classic 'bottles of beer' list
 eqfix.py		Fix .py files to use the correct equality test operator
 fact.py			Factorize numbers
 find-uname.py		Search for Unicode characters using regexps

Demo/scripts/primes.py

@@ -2,26 +2,29 @@
 
 # Print prime numbers in a given range
 
+def primes(min, max):
+    if 2 >= min:
+        print 2
+    primes = [2]
+    i = 3
+    while i <= max:
+        for p in primes:
+            if i % p == 0 or p*p > i:
+                break
+        if i % p != 0:
+            primes.append(i)
+            if i >= min:
+                print i
+        i += 2
+
 def main():
     import sys
     min, max = 2, 0x7fffffff
     if sys.argv[1:]:
-        min = int(eval(sys.argv[1]))
+        min = int(sys.argv[1])
         if sys.argv[2:]:
-            max = int(eval(sys.argv[2]))
+            max = int(sys.argv[2])
     primes(min, max)
 
-def primes(min, max):
-    if 2 >= min: print 2
-    primes = [2]
-    i = 3
-    while i <= max:
-        for p in primes:
-            if i%p == 0 or p*p > i: break
-        if i%p <> 0:
-            primes.append(i)
-            if i >= min: print i
-        i = i+2
-
 if __name__ == "__main__":
     main()