Control-Flow Statements

• if-else

  ¿¹Á¦:
    if (expression)
        statement1
    else
        statement
   

• while

  ¿¹Á¦:
        {   I = 1
            while (I <= NF) {
                print $I
                I++
            }
        }
   

• for

• ±×¿Ü : do while, break, continue, next, exit