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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 V7

curs_beep

curs_beep(3CURSES)					     Curses Library Functions						curs_beep(3CURSES)

NAME

       curs_beep, beep, flash - curses bell and screen flash routines

SYNOPSIS

       cc [ flag ... ] file ... -lcurses [ library ... ]
       #include <curses.h>

       int beep(void);

       int flash(void);

DESCRIPTION

       The  beep() and flash() routines are used to signal the terminal user. The routine beep() sounds the audible alarm on the terminal, if pos-
       sible; if that is not possible, it flashes the screen (visible bell), if that is possible. The routine flash() flashes the screen,  and	if
       that  is not possible, sounds the audible signal. If neither signal is possible, nothing happens. Nearly all terminals have an audible sig-
       nal (bell or beep), but only some can flash the screen.

RETURN VALUES

       These routines always return OK.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       curses(3CURSES), attributes(5)

NOTES

       The header <curses.h> automatically includes the headers  <stdio.h> and <unctrl.h>.

SunOS 5.10							    31 Dec 1996 						curs_beep(3CURSES)
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