READ example

The statements

    read(unit=10,fmt=20) a, b, c 
20  format(3(f7.2))

are equivalent to

read(unit=10,fmt=''(3(f7.2))'') a, b, c

Also, the following are equivalent statements

read(unit=5,fmt=*) a, b, c 
read(unit=*,fmt=*) a, b, c 
read *, a, b, c