How many kmers in an existing kmc file?

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Fast and frugal disk based k-mer counter

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How many kmers in an existing kmc file? #148

Closed cmfield closed 4 years ago

cmfield commented 4 years ago

Is it possible to find out how many kmers are in an existing kmc database file (.kmc_pre and .kmc_suf files) without using kmc_dump?

When I perform a set operation with kmc_tools, I really want to know how many kmers I ended up with in the db after it's done..

marekkokot commented 4 years ago

Hi, yes it is possible without performing dump. There is a hidden operation in kmc_tools named info. It prinst the database statistics. Usage example for a kmc dabaset o.kmc_pre o.kmc_suf:

./kmc_tools info o

The other possible way is to use KMC API, and class Info method. Let me know if it helps. Thanks for using KMC.

cmfield commented 4 years ago

Yes! That's perfect thanks.