SHELL综合练习2

i=0
declare -A array
for line in `cat /etc/shadow`
do
array[$i]=$line
i=`expr $i + 1`
done
echo ${array[*]}

i=0
declare -A array
for line in `cat /etc/passwd | cut -d : -f 7 | sort -s | uniq -c | sort -n`
do
array[$i]=$line
i=`expr $i + 1`
done
echo ${array[*]}

i=0
declare -A array
for line in  `ls $1 | cut -d . -f 2,3 | sort -s | uniq -c`
do
array[$i]=$line
i=`expr $i + 1`
done
echo "${array[*]}"