1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/string_hash.py	Tue Jun 07 01:09:23 2011 +0200
     1.3 @@ -0,0 +1,24 @@
     1.4 +"""
     1.5 +Name: string_hash -  a string hashing program
     1.6 +Description: Basic string hashing program according to Theory I lecture.
     1.7 +Author: Eugen Sawin <sawine@informatik.uni-freiburg.de>
     1.8 +"""
     1.9 +
    1.10 +def main():    
    1.11 +    args = parse_arguments()
    1.12 +    for string in args.strings.split():
    1.13 +        print "%s: %i" % (string, hash(string, args.m))
    1.14 +
    1.15 +def hash(string, m):
    1.16 +    return sum(map(ord, string)) % m   
    1.17 +
    1.18 +from argparse import ArgumentParser
    1.19 +
    1.20 +def parse_arguments():
    1.21 +    parser = ArgumentParser(description="Returns the hash for given string and m.")
    1.22 +    parser.add_argument("strings", help="strings") 
    1.23 +    parser.add_argument("m", type=int, help="m value")
    1.24 +    return parser.parse_args()
    1.25 +
    1.26 +if __name__ == "__main__":
    1.27 +    main()