SADDR=台中市中區中山路1號
DADDR=台中市西屯區文華路100號
w3m -dump "http://maps.google.com.tw/maps?saddr=$SADDR&daddr=$DADDR" | egrep "公里.*大約"
輸出結果:
8.3 公里 - 大約 24 分鐘
Recently in Shell Category
chkconfig --list | awk '/0:/{system("chkconfig "$1" off")}'
Linux 安裝好預設會開一些 Service, 若用不到就先全關, 再開自己要的.
chkconfig crond on
chkconfig network on
chkconfig syslog on
chkconfig sshd on
Shell variable must within single-quotes in awk command, just like '$A'
e.g. File fruit.txt content as follow
apple 99
orange 25
lemon 30
FRUIT=apple, To get number after $FRUIT
awk '/'$FRUIT'/ {print $2}' fruit.txt (Rignt)
awk '/$FRUIT/ {print $2}' fruit.txt (Wrong, not work)
