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How about:
grep -c 'gold' file.txt

awk '/gold/{i++}END{print i}' file.txt

depending on what you're after..... What are you after?

nawk '{system("cal");}' myFile

The -m for Monday option works with the GNU version of cal which is used standard on Linux. Issues like this are why you need to tell us precisely what OS you are using.

$ cal -m
May...

Hi,
try this
cal -m month year
replace month and year appropriately.

Regards,
Mayur

Hi,


awk '
function multi(number) {
return number * 3
}
BEGIN{print multi(4);}'

kumaran_5555 missed out the 2nd argument 'file1.txt'

awk 'FNR==NR{tarif[$1]=$2;next}{cust[$1] += ($2 * tarif[$3])} END{ for (i in cust) print i,cust[i]}' file2.txt file1.txt
666666661 53.98...

Here you go
awk 'FNR==NR{tarif[$1]=$2;next}{cust[$1] += ($2 * tarif[$3])} END{ for (i in cust) print i,cust[i]}' file2.txt
666666661 53.98
666666662 56.1
666666663 10.71
666666664 44.46...