Description of problem:
当前是支持cr的，文件的二进制也是\r，但是实际file却没办法显示cr

Version-Release number of selected component (if applicable):
sh-5.2# cat /etc/os-release 
NAME="Anolis OS"
VERSION="23.1"
ID="anolis"
VERSION_ID="23.1"
PLATFORM_ID="platform:an23"
PRETTY_NAME="Anolis OS 23.1"
ANSI_COLOR="0;31"
HOME_URL="https://openanolis.cn/"
BUG_REPORT_URL="https://bugzilla.openanolis.cn/"

sh-5.2# uname -r
6.6.25-2.1.an23.aarch64

How reproducible:


Steps to Reproduce:
1.echo "cat /home/test.file" > /home/test.sh;chmod +x /home/test.sh
2.unix2mac /home/test.sh
3.file /home/test.sh

Actual results:

-sh-5.2# file -l | grep -i "Carriage Return"
Strength = 150@75: Maple help file with extra carriage return at start (yuck) []
-sh-5.2# file /home/test.sh
/home/test.sh: ASCII text, with no line terminators
-sh-5.2# od -c /home/test.sh
0000000   c   a   t       /   h   o   m   e   /   t   e   s   t   .   f
0000020   i   l   e  \r
0000024
-sh-5.2#

Expected results:

alinux3 上的版本：

[root@iZbp17b28qbu91lz1t3t8cZ ~]# file --version
file-5.33
magic file from /etc/magic:/usr/share/misc/magic
[root@iZbp17b28qbu91lz1t3t8cZ ~]# file -l | grep -i carrige
[root@iZbp17b28qbu91lz1t3t8cZ ~]# file -l | grep -i "Carriage Return"
Strength = 150@23: Maple help file with extra carriage return at start (yuck) []
[root@iZbp17b28qbu91lz1t3t8cZ ~]# file /home/test.sh
/home/test.sh: ASCII text, with CR line terminators
[root@iZbp17b28qbu91lz1t3t8cZ ~]# od -c /home/test.sh
0000000   c   a   t       /   h   o   m   e   /   t   e   s   t   .   f
0000020   i   l   e  \r
0000024

Additional info: