RegEx - How to extract second matches using grep

Question

How to extract second numbers in this text using grep command in ubuntu.

14219,98.2,31-s,19225
39219,92.7,31-s,29225
39219,38.7,31-s,29225

ouput desired :

98.2
92.7
38.7

Thanks

Answer 1

Possibly a duplicate of this post: Parsing the first column of a csv file to a new file

In your case, you can use cat file.txt | cut -d, -f2 to extract the second column.