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Thank your for your reply, but the problem is simulation's output directory also contains 200 other massfunction.out, mergerhistories.out files which I don't want.
I have an M X N matrix, I want to drop/delete all the rows whose 3rd element is less than 10^6, how I do I do it? I tried putting conditional statement inside Drop command, and Pick command but so far I have only managed to get errors.
Hello David, Thank you so much for your reply. To give specifics of my files and what I want to do, I am doing simulations with dark matter haloes from redshift 30 to 20 and trying to track the haloes with mass > 10^6 Msun. My simulation...