sh1.sh

几个linux试验的脚本编程

#!/bin/bash
loop=1
username="123"
passwd="123"
while [ $loop -lt 4 ]
do
echo -e "Please input username:\c"
read user1
echo -e "Please input password:\c"
read pass1
if [ $username = $user1 -a  $passwd = $pass1 ]
then
break
elif [ $loop -eq 3 ]
then
exit 1
fi
echo "ERROR!"
((loop=$loop+1))
done
echo "Wlcome to this system!"
echo "users=`who | wc -l`"
echo -e "the list of user:\n`who`"
sleep 2
echo "user home:$HOME"
who am i
if [ -f dlxxlog.log ]
then
echo "$HOME | `who am i`">>dlxxlog.log
else
echo "$HOME | `who am i`">dlxxlog.log
fi
echo -e "Please input directory name:\c"
read dname
if [ -d $dname ]
then
echo "$dname already exist!"
else
mkdir $dname
fi
mv dlxxlog.log "./${dname}"