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发信人: Linxs (红楼-学习工作创业-忙!!!), 信区: Linux
标  题: 一个有趣的脚本:Hello.sh
发信站: BBS 水木清华站 (Sat Oct 21 21:18:25 2000)

#!/bin/bash
# This script is writen by linxs
# You can run it when your machine start up
while [ : ] ; do
        timenow=$( date | awk ' { print $2 $3 $4}'|awk -F: '{printf "%s:%s", $1, $2}')
        oldwhonline=$(echo $whonline)
        whonline=$( who | awk '{ print $3 $4 $5,$1,$2}' )
        set $whonline
#       echo "********************************************"
#       echo "the who on line now is: $*"
#       echo
#       echo "the old who on line is: $oldwhonline"
#       echo $timenow

        while [ "$1" != ""  ];do
#               echo "compare $3 with $oldwhonline"
#               echo $mylog "?" "$mywho"|awk -F? '{ print match($2,$1) }'
                newlog=$(echo "$3""?""$oldwhonline" | awk -F? '{print match($2,$1)}' )
#               echo "newlog" $newlog

                if [ "$newlog" = 0 ]; then
#:                      echo "time is :$1 ,  name is $2,  tty is $3 "
                        $(echo "Welcome,Linxs' Script say hello to You!" | write $2 $3 )
                fi
                shift;shift;shift
        done
#       sleep 1
done
exit 1

--
   曾忆美人相伴，     红袖添香把盏；

   年少无知纨绔，     只为生多蹊跷。

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