From: Chris Morris Date: 2002-08-13T00:19:03+09:00 Subject: Re: Primary Key Hash help > > AL Prattville 36068 01001 US 01-001-0870 01 001 1 3 0162328 1 > > > > The unique key for each row is all columns. I'd like to generate a single > > column unique key that's derived from all the data, so a simple sequential > > number primary key won't do. Any tips on how I could do this in Ruby? > > Given > > row = line.split > > a unique key could be > > row.join True - but the result would be of varying length and a bit cumbersome. I was hoping for something along the lines of what Philipp replied with (MD5 hash). The MD5 hash is still a little cumbersome, but less than just joining all the data together. Thanks for the reply. Chris http://clabs.org