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Full Discussion: Copy file to SD card from internal flash.
Top Forums Shell Programming and Scripting Copy file to SD card from internal flash. Post 302558089 by Corona688 on Thursday 22nd of September 2011 05:10:46 PM
Old 09-22-2011
Dangit, it's not using the card in this script at all. I don't know what device it would be.

I should put a disclaimer in this post.

I can't guarantee I won't brick your fishfinder. Messing with embedded Linux isn't the same as desktop Linux, and embedded hardware is always a little hairy.

Now then... I don't know enough about your system to do what you want, but this script does have clear methods for sending messages to the screen if your device supports them. So my plan is to print a bunch of debugging info for you to read, then loop forever so that updates don't actually get installed. To kill this loop you may have to hard-power-off your device. Since many things in this script already demanded that I presume that's not a problem.

I've highlighted in red the code I'd like you to insert below some existing code.
Code:
splashy boot || true
# Some time (about 1 second) is needed to set up the splashy socket.  (Racy!)
sleep 1

# SECTION CORONA688 ADDED.  Prints stuff to screen, then hangs.
splashy_update "print 2011 unix.com fishing team"
sleep 10
splashy_update "print Dirs in /:  $(cd / ; ls)"
sleep 10
splashy_update "print Obvious disks: $(cd /dev ; ls [sh]d* || true)"
sleep 10
splashy_update "print block devs: $(cd /sys/class/block ; ls)"
sleep 10
splashy_update "print Mounted FSes: $(while read A B C D
do
        echo $A,$B,$C
done < /proc/mounts)"

sleep 30
splashy_update "print Goodbye."
while true ; do sleep 42d || true ; done
# END SECTION CORONA688 ADDED.

Come to think of it, I'll attach a file, since you shouldn't edit the file in Windows.
 

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LEARN ABOUT NETBSD

mount_chfs

MOUNT_CHFS(8)						    BSD System Manager's Manual 					     MOUNT_CHFS(8)

NAME

     mount_chfs -- mount a CHFS flash file system

SYNOPSIS

     mount_chfs

DESCRIPTION

     Mounts a flash file system from a flash(4) device.  CHFS file systems can be only mounted from flash devices.  For regular block devices like
     SSD drives or USB drives, please use a regular file system.  The file system will be created during the first mount.  CHFS stands for Chip
     File System.

EXAMPLES

	   mount_chfs /dev/flash0 /mnt

SEE ALSO

     flash(4), fstab(5), mount(8), flash(9)

HISTORY

     CHFS was originally called ChewieFS during development.  The name was changed to avoid legal issues and to have a more neutral name.

AUTHORS

     CHFS was developed at the Department of Software Engineering, University of Szeged, Hungary.

BUGS

     CHFS has a few known bugs as of 2011.  Writing the FS full can cause problems.  Truncating a file and growing it again can cause the new
     bytes not having all zeroes, but filled with the old content instead.

BSD
								 November 29, 2011							       BSD
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