在minicom中runscript如何发送超过500字节的命令

minicom 2.4版本中，在读取脚本时，每行的最大长度为500字节

331 /*
  332  * Read a script into memory.
  333  */
  334 static int readscript(const char *s)
  335 {
  336   FILE *fp;
  337   struct line *tl, *prev = NULL;
  338   char *t;
  339   char buf[500]; /* max length of a line - this should be  */
  340   int lineno = 0;
  341
  342   if ((fp = fopen(s, "r")) == NULL) {
  343     fprintf(stderr, _("runscript: couldn't open \"%s\"%s\n"), s, "\r");
  344     exit(1);
  345   }
  346
  347   /* Read all the lines into a linked list in memory. */
  348   while ((t = fgets(buf, sizeof(buf), fp)) != NULL) {
  349     lineno++;
  350     if (strlen(t) == sizeof(buf) - 1) {
  351       /* Wow, this is really braindead, once upon a time buf was 81 chars
  352        * big and triggered nice errors for too long input lines, now
  353        * we just enlarge the buffer and add a sanity check. This code
  354        * needs to allocate memory dynamically... */
  355       fprintf(stderr, "Input line %u too long, aborting (and fix me!)!\n",
  356           lineno);
  357       exit(1);
  358     }
  359     skipspace(&t);
  360     if (*t == '\n' || *t == '#')
  361       continue;
  362     if (((tl = (struct line *)malloc(sizeof (struct line))) == NULL) ||
  363         ((tl->line = strsave(t)) == NULL)) {
  364       fprintf(stderr, _("script \"%s\": out of memory%s\n"), s, "\r");
  365       exit(1);
  366     }
  367     if (prev)
  368       prev->next = tl;
  369     else
  370       curenv->lines = tl;
  371     tl->next = NULL;
  372     tl->labelcount = 0;
  373     tl->lineno = lineno;
  374     prev = tl;
  375   }
  376   fclose(fp);
  377   return 0;
  378 }

在写runscript时，使用"\c"来分段发送命令，例如，

由于涉及项目内容，我替换了一些内容

#!/bin/bash
#Firstly,config special configuration for board.

minicom_config="dslr"
minicom_0x30072_script="dslr_0x30072_runscript"
minicom_00bc0003_script="dslr_00bc0003_runscript"
minicom_command_step1="minicom $minicom_config -S $minicom_0x30072_script"
minicom_command_step2="minicom $minicom_config -S $minicom_00bc0003_script"
pkill_command="\"^${minicom_command_step1}$\""
pkill_command_2="\"^${minicom_command_step2}$\""
#echo $pkill_command
cat >$minicom_0x30072_script<< EOF
verbose on
send "command w 0x30072 FE"
send "command s"
send "\n"
sleep 5
print "\n+++exit minicom terminal!!!+++\n"
! pkill -f $pkill_command
EOF

cat >$minicom_00bc0003_script<< EOF
verbose on
send "command w 00bc0003 80 00 16 00 00 00 00 00 00 00 00 00 00 5A 5a 5a 00 5a 5a 5a 5a 5a 5a 5a 01 5a 5a 5a 5a 5a 5a 5a 00 01 02 03 04 05 06 07 08 09 0A 0B 5a 5a 64 64 0F 0F 1E 32 0F 64 96 05 B4 00 00 10 5a 5a 01 0A 00 5a 5a 5a 5a 5a 5a 5a 06 06 06 06 06 06 06 06 06 5a 5a 42 3C 24 12 09\c"
send "04 04 5A 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 00 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a\c"
send "5A 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a"
send "command s"
send "\n"
sleep 5
print "\n+++exit minicom terminal!!!+++\n"
! pkill -f $pkill_command_2
EOF

#echo $minicom_0x30072_script
$minicom_command_step1
sleep 5
$minicom_command_step2
#rm $minicom_script
#