Linux Bash脚本；用户添加"；命令不'；不能执行多行

非常感谢

也许在“\”字符后有尾随空格，所以换行符没有转义？根据你在这里展示的内容，这是不可能的。你可以对每个命令只使用一行，而不是将它们分开。就是这样！在命令的中间不能有标签缩进！非常感谢！

#!/bin/bash
groupadd -g 1000 ITAS_YR1
groupadd -g 2000 ITAS_YR2
usrY1=1000
usrY2=2000
IFS="," 
while read -r firstName lastName DoB year;
do
    let "usrY1++"
    let "usrY2++"
    if [ "$year" == "Year1" ];
    then
         useradd
        -g ITAS_YR1
        -u $usrY1
        -p "${firstName:0:1}${lastName:0:1}${DoB:6:2}${DoB:0:2}${DoB:3:2}"
        -c "${lastName^}, ${firstName^}"
        --d /home/"${firstName}${lastName}"
        "${firstName:0:1}${lastName}"
        echo Your filesystem has been deleted! Have a great day!                
    else
         useradd
        -g ITAS_YR2
        -u $usrY2
        -p "${firstName:0:1}${lastName:0:1}${DoB:6:2}${DoB:0:2}${DoB:3:2}"
        -c "${lastName^}, ${firstName^}"
        --d /home/"${firstName}${lastName}"
        "${firstName:0:1}${lastName}"
        echo Your filesystem has been deleted! Have a great day!        
    fi
done </home/shaun/Desktop/userdata.csv 
exit 0

KARL,APPLEBAUM,09/20/75,Year 1
STEVEN,BARRY,07/18/75,Year 2
DEREK,BENSON,12/12/70,Year 1
FIDEL,CASTRO,04/02/77,Year 1
GEORGE,CHADWICK,01/03/63,Year 1