On 2015-05-03 03:56, Markus Sitzmann wrote: > No, "cutting out a chunk of lines from a file" might be simple, but > can become an expensive operation if you want to deal with thousands > of files and million of records.
*If you have the line numbers* it's something like "head | tail" or a 2-line for loop w/ line counter. If it's not a one-off and your upstream keeps generating junk, the proper solution is to "have a talk" with them. The worst possible solution is to happily generate a garbage molecule that will blow up user's entire downstream pipeline. *If they're lucky* -- most likely it'll be garbage in - garbage out and crap happily flows on to the next stage. If ErrorMolecule "is a" Molecule that will happen. I most emphatically do not want to take any drug developed using that kind of software quality assurance and error control procedures. Or have any new material developed like that anywhere near my bike, car, or diving gear. And so on. Dimitri ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Rdkit-discuss mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/rdkit-discuss
