The following command output is displayed when the ‘mapfile -n array’ command is executed:
   "
    [root@29 ~]# mapfile -d ';' -n 2 array
    1;2;ls
    [root@29 ~]# ls
    0402             bash       Downloads             openEuler 
    rpmbuild               Videos
    1070             Desktop    initial-setup-ks.cfg  os_info   
    anaconda-ks.cfg  Documents  Music  
   "
The ls command is automatically executed.


After fix:
   "
    [root@29 bash]# mapfile -d ';' -n 2 array
    1;2;ls
    [root@29 bash]# echo ${array[@]}
    1; 2;
    [root@29 bash]#
   "
ls command is mot executed,and is also not in array