echo "starting...input file"
read file
echo "reading file..."

echo "... now sorting..."
cat $file | awk '{
if($1=="04"){
    print >> "04_file.txt";
}
if($1=="05"){
    print >> "05_file.txt";
}

if($1=="06"){
    print >> "06_file.txt";
}
}'

echo "finished, bye?"
read wait
echo "bye"