iMac-07 wol

imac2を常用して、待機させているimacを使うとき、Wake On Lanが便利そうで、疎通したのが良くわかるように下記の＜wol.sh＞を書いた。

% wol.sh  .... 使用例

(0) 06:58:15 Request timeout for icmp_seq 0

(1) 06:58:17 Request timeout for icmp_seq 0

(2) 06:58:19 Request timeout for icmp_seq 0

(3) 06:58:21 64 bytes from 192.168.1.51: icmp_seq=1 ttl=64 time=0.649 ms

imac is alive.

%

＜wol.sh＞

#! /bin/zsh
PHOST=imac
PWMAC="D4:9A:20:xx:xx:xx"
CUR=0
echo -n "($CUR) `date "+%H:%M:%S"` "
PLINE=`ping -t 2 -c 2 $PHOST 2&>1 |egrep '^64|^Req|down'|tail -1`
echo $PLINE
WORD1=`echo $PLINE |awk '{print $1}'`
if [ "${WORD1}" = "64" ]; then
  echo "$PHOST is alive."
  exit 0
fi
# Wake-On-Lan
# http://www.gcd.org/sengoku/docs/wol.c
/usr/local/bin/wol 192.168.1.255 $PWMAC
while (true)
  do
    CUR=`expr $CUR + 1`
    echo -n "($CUR) `date "+%H:%M:%S"` "
    PLINE=`ping -t 2 -c 2 $PHOST 2&>1 |egrep '^64|^Req|down'|tail -1`
    echo $PLINE
    WORD1=`echo $PLINE |awk '{print $1}'`
    if [ "${WORD1}" = "64" ]; then
      echo "$PHOST is alive."
      exit 0
    fi
  done
exit 0