寫一個腳本:要求以下:
1:依次向/etc/passwd目錄中的每個用戶問好,並指出其UID號!(eg:Hello root,your uid is 0)
2:統計這個腳本共有多少個帳戶?bash
#!/bin/bashide
name=`cat /etc/passwd |awk -F: '{print $1}'`ui
for u in $name
spa
doorm
i=`id $u |awk -F'=' '{print $2}' |awk -F'(' '{print $1}'`it
uid_num=`grep $u:x /etc/passwd |awk -F: '{print $3}'`class
if [ $i == $uid_num ]awk
thengrep
echo "Hello $u, your uid is $i !"im
else
echo "Wrong!!!"
fi
done
y=`cat /etc/passwd |wc -l`
echo "There are $y users.