#!/bin/bash # "column totaler" ½ºÅ©¸³Æ®(col-totaler.sh)ÀÇ ¶Ç ´Ù¸¥ ¹öÀü. # ´ë»ó ÆÄÀÏÀÇ ÁÖ¾îÁø ÁöÁ¤µÈ Ä÷³À» ¸ðµÎ ´õÇØÁÜ. # ¿©±â¼´Â ½ºÅ©¸³Æ® º¯¼ö¸¦ 'awk'¿¡°Ô Àü´ÞÇϱâ À§Çؼ ȯ°æ(environment)À» »ç¿ëÇÕ´Ï´Ù. ARGS=2 E_WRONGARGS=65 if [ $# -ne "$ARGS" ] # ¿øÇÏ´Â ¼ö ¸¸ÅÀÇ ¸í·É¾îÁÙ ÀÎÀÚ°¡ ³Ñ¾î¿Ô´ÂÁö È®ÀÎ. then echo "»ç¿ë¹ý: `basename $0` filename column-number" exit $E_WRONGARGS fi filename=$1 column_number=$2 #===== ¿©±â±îÁö´Â ¿ø·¡ ½ºÅ©¸³Æ®¿Í ¶È°°½À´Ï´Ù =====# export column_number # column_number ¸¦ ȯ°æÀ¸·Î export Çؼ awk ½ºÅ©¸³Æ®¿¡¼ ´Ù½Ã ²¨³»°¥¼ö ÀÖ°Ô ÇÔ. # awk ½ºÅ©¸³Æ® ½ÃÀÛ. # ------------------------------------------------ awk '{ total += $ENVIRON["column_number"] } END { print total }' $filename # ------------------------------------------------ # awk script ³¡. # Stephane Chazelas Á¦°ø. exit 0