The software

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Two Gnome workspaces make a development environment.

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#!/bin/bash
	#assemble this directory's **.asm
	#path of this directory
cd /home/user/blink 
	#assemble the project
gpasm -n blink.asm   #-n for crlf, dos endline
	#filter the redundancy with Rick's perl script 
hxfx blink.hex  blinkx.hex > blinkld.hex
	#save current hex for next iteration	
cp blink.hex blinkx.hex
	#replace the eof line removed by filter  
echo ':00000001FF' >> blinkld.hex

#gpasm makes the blink.hex file
#blinkx.hex is the last file loaded into the flash
#blinkld.hex is the non-redundant code
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#!/usr/bin/perl
# print lines that are in newfile that aren't in oldfile
if (@ARGV != 2) {
    die "usage is: $0 newfile oldfile\n";
}

open newfh, "<$ARGV[0]" or die "can't open $ARGV[0]\n";
@newhex = readline(newfh);
close(newfh);

open oldfh, "<$ARGV[1]" or die "cant open $ARGV[1]\n";
@oldhex = readline(oldfh);
close(oldfh);

NEW:
foreach $newline (@newhex) {
    foreach $oldline (@oldhex) {
        if ($newline eq $oldline) { next NEW; }
    }
    print($newline);
}
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