root@toto:~#awk 'END {print NR,"coins"}' coins.txt
root@toto:~#awk '/gold/' coins.txt
root@toto:~#awk '{if ($3 < 1980) print $3, " ",$5,$6,$7,$8}' coins.txt
root@toto:~#awk '/gold/ {ounces += $2} END {print "value = $" 425*ounces}' coins.txt
root@toto:~#awk ’s=0 ; for (i=1 ; i<=NF ; i++) s=s+$i ; print s’
root@toto:~#awk 'BEGIN{FS=";"} {print $3}' toto.txt
root@toto:~#awk 'NR==2'
root@toto:~#awk 'NR!=2'
root@toto:~#awk -F" " 'NR!=1{print $1,$3}' OFS="," coins.txt*
root@toto:~#awk '/Rent|Medicine/' file
root@toto:~#awk '!/gold/&&/USA/' coins.txt
root@toto:~#echo "Vive la France" | awk '{$3="vie"; print}'
root@toto:~#awk 'BEGIN{printf "Sr No\tName\tSub\tMarks\n"} {print}' marks.txt