matthiasm@8: function hash_add(key, val, fname)
matthiasm@8: % HASH_ADD Append key,value pair to end of hashtable stored in a file
matthiasm@8: % function hash_add(key, val, filename)
matthiasm@8: %
matthiasm@8: % See hash_lookup for an example
matthiasm@8: 
matthiasm@8: if ~exist(fname, 'file')
matthiasm@8:   % new hashtable
matthiasm@8:   hashtable.key{1} = key;
matthiasm@8:   hashtable.value{1} = val;
matthiasm@8: else
matthiasm@8:   %hashtable = importdata(fname);
matthiasm@8:   %hashtable = load(fname, '-mat');
matthiasm@8:   load(fname, '-mat');
matthiasm@8:   Nentries = length(hashtable.key);
matthiasm@8:   hashtable.key{Nentries+1} = key;
matthiasm@8:   hashtable.value{Nentries+1} = val;
matthiasm@8: end
matthiasm@8: save(fname, 'hashtable', '-mat');