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Wordsearch anyone?

Peter Rice rice at embl-heidelberg.de
Mon Apr 25 10:46:04 EST 1994


I wonder, does anyone use WORDSEARCH any more for full database searches?

I just had a complaint from a user that it crashed with integer overflow
in the SEARCHHIST routine. It turns out that the count of diagonals
searched had overflowed (2*10^9 maximum integer value reached). A quick
back-of-the-envelope calculation shows that for a 6000bp search sequence
against the full GenEmbl database the overflow is expected.

Strange that I have had no other reports here. I assume nobody searches
GenEmbl with it these days.

I still like WORDSEARCH very much for searching smaller collections of
sequences, and use it a lot in Fragment Assembly or for analysis of the
sequences in ECD (E.coli database).

 -----------------------------------------------------------------------------
 Peter Rice, EMBL                             | Post: Computer Group
                                              |       European Molecular
 Internet:    Peter.Rice at EMBL-Heidelberg.DE   |            Biology Laboratory
                                              |       Postfach 10-2209
 Phone:   +49-6221-387247                     |       69012 Heidelberg
 Fax:     +49-6221-387306                     |       Germany



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