工作环境：Red Hat Enterprise Linux Server release 6.5 (Santiago)、bash

#!/bin/bash
#
xm=(`cat name.txt`)
for i in ${xm[@]}
do
xb=$(($RANDOM%${#xm[@]}))
echo -n "${#xm[@]} "
echo ${xm[$xb]}
unset xm[$xb]
xm=(`echo ${xm[@]} `)

done


注释：取出一个，删除一个，重新赋值