Fancier output

• printf(format, value1, value2 ...)

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  ¿¹Á¦:
   { printf("total pay for %s is $%.2f\n", $1, $2 * $3)}
   
   °á°ú:
   total pay for Beth is $0.00
   total pay for Dan is $0.00
   total pay for Kathy is $40.00
   total pay for Mark is $100.00
   total pay for Mary is $121.00
   total pay for Susie is $76.50
   

  ¿¹Á¦:
   { printf("%-8s $6.2f\n", $1, $2 * $3)}
   
   °á°ú:
   Beth     $  0.00
   Dan      $  0.00
   Kathy    $ 40.00
   Mark     $100.00
   Mary     $121.00
   Susie    $ 76.50
   

• Sorting the output

  awk '{printf(%6.2f %s\n", $2* $3, $0)}' awk.data | sort