How to extract part of the data randomly from the file by linux

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How to extract a part of data randomly from a text file. For example, the goal of ref_trans_full_table.xls, a statistical file of gene expression data such as the lower right, is to randomly extract a portion of the data from this file.

1. You can use shuf to obtain random data, such as randomly selecting 10 genes: (get the header first and then extract the data)

Head-1 ref_trans_full_table.xls | less > test.xlsshuf-n 10 ref_trans_full_table.xls > > test.xls

The extracted results are saved in the test.xls file:

2. After random sorting with sort-R, using head or tail to extract data is also equivalent to randomly extracting data:

Head-1 ref_trans_full_table.xls | less > test.xlssort-R ref_trans_full_table.xls | head-10 | less > > test.xls is all the contents of the article "how to randomly extract some data from a file by linux". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!