Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/KPMtools/hash_del.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/KPMtools/hash_del.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,26 @@ +function ndx = hash_del(key, fname) +% HASH_DEL Remove all entries that match key from hashtable stored in a file +% ndx = hash_del(key, fname) +% +% Returns indices of matching entries (if any) +% See hash_lookup for an example + +ndx = []; + +if ~exist(fname, 'file') + % new hashtable - no op +else + %hashtable = importdata(fname); + %hashtable = load(fname, '-mat'); + load(fname, '-mat'); + Nentries = length(hashtable.key); + for i=1:Nentries + if isequal(hashtable.key{i}, key) + ndx = [ndx i]; + end + end + hashtable.key(ndx) = []; + hashtable.value(ndx) = []; + save(fname, 'hashtable', '-mat'); +end +