awk is also not hard to understand, scroll through the Wikipedia page for a few minutes https://en.wikipedia.org/wiki/AWK#Structure_of_AWK_programs https://en.w

awk is also not hard to understand, scroll through the Wikipedia page for a few minutes https://en.wikipedia.org/wiki/AWK#Structure_of_AWK_programs https://en.wikipedia.org/wiki/AWK#Structure_of_AWK_programs It runs an action for each line in the input (optionally filtered by regex). You get automatic variables $1,$2... for the words in the line split by spaces. The syntax is almost like a simple subset of Javascript. Builtin functions are similar to C standard library. If you have input in text that is separated in columns with a delimiter, and you want do simple operations on that (filter, map, aggregate), it can be done quickly with awk. That's all you need to know about awk.