https://divingintogeneticsandgenomics.com/tags/shuf/ Recent content in Shuf on Chatomics Hugo -- gohugo.io en-us © 2018 Ming 'Tommy' Tang Sun, 22 Mar 2015 20:43:00 -0700 https://divingintogeneticsandgenomics.com/archive/benchmarking-for-shuf-vs-fast-sample/ Sun, 22 Mar 2015 20:43:00 -0700 https://divingintogeneticsandgenomics.com/archive/benchmarking-for-shuf-vs-fast-sample/ Sometimes we want to randomly select a proportion of lines from a txt file. The easiest way is to use the Unix command shuf. On a mac machine, you can install it by home brew. brew install coreutils But you need to invoke it as gshuf. https://www.topbug.net/blog/2013/04/14/install-and-use-gnu-command-line-tools-in-mac-os-x/ I also came across a tool called fast_sample that can do the same thing https://github.com/earino/fast_sample I did some benchmarking for them. View this gist on GitHub