Control-flow statements

• if statement

  ¿¹Á¦:
   $2 > 6{
   n=n+1;
   pay=pay+$2*$3}
   END{
   if(n>0)
      print n, "employess, total", pay,\
               "average", pay/n
   else
      print "no employees"
   }
   
   °á°ú:
   no employees
   

• While statement

  ¿¹Á¦:
   #input amount rate years   # '#' ´Â comment ÀÓ
   #output compounded values at the end of each year
   {
   i=1;
   while(i<=$3){
     printf("\t%.2f\n",($1*(1+$2)+i));
     i=i+1;
     }
   }
   
   ¼öÇà:
   awk -f awk.p1  # ÀÔ·ÂÈ­ÀÏÀÌ ¾øÀ¸¹Ç·Î standard input
   100 0.6 5
   
   °á°ú:
           161.00
           162.00
           163.00
           164.00
           165.00
   
   À§¿Í µ¿ÀÏÇÑ ±â´ÉÀÇ for¹®:
   {
   for(i=1;i<=$3;i=i+1)
     printf("\t%.2f\n",($1*(1+$2)+i));
   }