Wow! once again..thanks so much! thank you!
er..im interested in knowing more about this codes...
can u guys explain to me about this code..and what it means?
nawk 'FNR > 3 && NF {printf("%s%c", $0, OFS)}END{print ""}' "$1" > "$1".out &&
mv "$1".out "$1"
i find that these codes are very powerful..