Use script file in shell

[LeavaTail]

Is your feature request related to a problem? Please describe.

$ car script.1
ls
cd 00_SIMPLE
ls
$ ./debugfatfs -i script.1
Welcome to debugfatfs 0.2.0 (Interactive Mode)

/> ls
-HSD-    32768 2020-09-14 00:29:39 System Volume Information 
---DA    32768 2020-09-14 00:30:04 01_LONGNAME 
---DA    32768 2020-09-14 00:30:04 02_UNICODE 
---DA    32768 2020-09-14 00:30:04 03_DELETE 
---DA    32768 2020-09-14 00:30:04 00_SIMPLE 

/> cd 00_SIMPLE
/00_SIMPLE/> ls
---DA    32768 2020-09-14 00:30:04 DIR 
----A        0 2020-11-23 13:33:36 SAMPLE00.TXT 

/00_SIMPLE/>