# awk > A versatile programming language for working on files. - Print the fifth column in a space separated file: `awk '{print $5}' {{filename}}` - Print the third column in a comma separated file: `awk -F ',' '{print $3}' {{filename}}` - Sum the values in the first column and print the total: `awk '{s+=$1} END {print s}' {{filename}}` - Sum the values in the first column and pretty-print the values and then the total: `awk '{s+=$1; print $1} END {print "--------"; print s}' {{filename}}`