Search notes:

awk example: number of record ($NR)

awk '{print "Record",NR ": " $1,$2}' data_1 data_2

Github repository about-awk, path: /NR_number_of_record/go.sh

one foo
two baz
three bar

Github repository about-awk, path: /NR_number_of_record/data_1

house
car
spoon

Github repository about-awk, path: /NR_number_of_record/data_2

See also