Simple output

fileds, $1 $2 ..., a whole line $0

• Printing every line { print } { print $0 }

• Printing certain fields { print $1, $3}

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   built-in variable - ´ë¹®ÀڷΠǥ±â
   ¼öÄ¡°ªÀº ¸ðµÎ 1ºÎÅÍ ½ÃÀÛ 1,2,3,...
   

• NF : the number of fields { print NF, $1, $NF}

• Computing and printing { print $1, $2 * $3 }

• NR : the number of records; printing line number { print NR, $0}

• Putting text in the output { print "total pay for", $1, "is", $2 * $3 }

  Áß¿ä:
   print ¹®¿¡¼­ ',' ¸¦ »ç¿ëÇϸé ' '(space)°¡ µé¾î°¨
   ',' °¡ ¾øÀ¸¸é ¾Õ¿¡°Í¿¡ ºÙ¾î¼­ Ãâ·ÂµÊ