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------- Additional comments from [EMAIL PROTECTED] Wed Sep 12 17:50:08 +0000
2007 -------
Well, I shouldn't have called my last post: "Just a last thought."
In fact, Adobe Acrobat Professional offers such an advanced diff tool.
[Unfortunately, pdf is not the best format for diff's, and, indeed, one has to
choose in Acrobat the sensitivity of the resulting difference: therefore,
depending on this sensitivity, some false positives and negatives will occur,
but otherwise it does a great job. Though it is an expensive software!!!]
To extend the BLAST-post: here is a short introduction to using BLAST. feel free
to play with it.
1.) In the *Program* drop-down list choose: *pblast*
- nblast (the default) is only for nucleotides
[only very few letters code nucleotides, so not so nice to play around]
- pblast is for proteins: every letter (excepting o and u) code for an
aminoacid, so one can compare virtually any text-stream
[o and u will be replaced by x, so it is safe to include them]
2.) paste some text in the 2 Text-Boxes
(Sequence 1 and Sequence 2)
3.) Press the *Align* Button at the bottom of the page
4.) One can select various parameters for the alignment, e.g.
- matrix-type/size
- penalties for gaps, ...
Hope this helps a little bit. Indeed, this feature is in widespread use in
molecular biology, and I don't think of the added complexity in a
writer-document as of an unsurmountable obstacle.
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