awk idioms explained

Do you find awk one-liners cryptic? Stuff like !a[$0]++ , 1 , $1=$1 , NR==FNR and -v RS= ? You&#x27;ll find examples and brief explanations for such idioms in this post. The examples presented here have been tested with GNU awk . These are likely to work with most other implementations of awk as well. awk command structure 🔗 awk 'cond1{action1} cond2{action2} ... condN{actionN}' When a…