awk examples

echo 'this is a test' | awk '{print $NF}' #print last column

 awk '{print $1, $(NF-2) }' access_log
 
 awk '{print NR ") " $1 " -> " $(NF-2)}' access_log #NR prints the row number
 
 awk '{print $2}' access_log | awk 'BEGIN{FS=":"}{print $1}' #splits along ':'
 awk '{print $2}' logs.txt | awk 'BEGIN{FS=":"}{print $1}' | sed 's/\[//'
 
 awk '{if ($(NF-2) == "200") {print $0}}' # conditional
 awk '{a+=$(NF-2)}END{print "Total:", a}' logs.txt