Introducing Bitlash

Bitlash is an open source interpreted language shell for the Arduino serial port. It runs on the Arduino and interprets commands that you type in a terminal window or send programmatically:

bitlash v0.95a here! ... > print "hello, world", analogRead(3) hello, world 552

Bitlash is a development and prototyping tool for those situations where you need to bang some bits on the Arduino but writing a sketch in C is premature. The Bitlash command language is very similar to Arduino C and includes a large repertiore of the familiar Arduino C functions so you can hack your hardware from the serial command line or even over the internet via telnet.

(defun eval. (e a)
  (cond
    ((atom e) (assoc. e a))
    ((atom (car e))
     (cond
       ((eq (car e) 'quote) (cadr e))
       ((eq (car e) 'atom) (atom (eval. (cadr e) a)))
       ((eq (car e) 'eq) (eq (eval. (cadr e) a)
                             (eval. (caddr e) a)))
       ((eq (car e) 'car) (car (eval. (cadr e) a)))
       ((eq (car e) 'cdr) (cdr (eval. (cadr e) a)))
       ((eq (car e) 'cons) (cons (eval. (cadr e) a)
                                 (eval. (caddr e) a)))
       ((eq (car e) 'cond) (evcon. (cdr e) a))
       ('t (eval. (cons (assoc. (car e) a)
                        (cdr e))
                  a))))
    ((eq (caar e) 'label)
     (eval. (cons (caddar e) (cdr e))
            (cons (list (cadar e) (car e)) a)))
    ((eq (caar e) 'lambda)
     (eval. (caddar e)
            (append. (pair. (cadar e) (evlis. (cdr e) a))
                     a)))))

• http://www.paulgraham.com/rootsoflisp.html

• short (because people don't read much online);
• rich in information scent, clearly summarizing the target article;
• front-loaded with the most important keywords (because users often scan only the beginning of list items);
• understandable out of context (because headlines often appear without articles, as in search engine results); and
• predictable, so users know whether they'll like the full article before they click (because people don't return to sites that promise more than they deliver).

"a discussion of practical issues with open-source in libraries, including the common perceptions that using open-source requires in-house expertise, and that commercial support is not available. Neither is necessarily true, as there are hosted services and a small but growing list of companies specializing in support of open-source library operations. Lots of those present were interested in the actual process of acquiring and migrating to an open-source ILS. The consensus was that open-source migrations are about the same as commercial migrations, but that there are some significant differences in the initial review and selection process. Specifically, assessing the health of a company and an open-source project are different things. Also, the usual RFP approach is to list features and see which service matches them–which doesn’t include the option to build the feature or have it built, as is possible with an open-source project. It is additionally entirely possible that the selection process will include dealing with the project, the support vendor, and possibly a developer of additional features. This creates a “gap of information” between the usual commercial process and what’s possible with open-source. Filling that gap is an additional part of the selection process, as is addressing the tendency to be skeptical of open-source and to have blind faith in products one pays for. Many of the concerns about open-source also apply to commercial vendors."

"Ever read a book that was a few hundred pages longer than it needed to be? Yeah, so have we. Fortunately, there are authors out there that would rather have a concise and effective book than a lengthy and diluted tome, and that's where we come in. Welcome to the lazylibrary, where you can find books on any topic without having to worry about high page counts. If it's over 200 pages, you won't even see it. Read all about anything, in less time, for (usually) less money. "

The complete table of contents and index are viewable at Amazon. Look there to see if it has what you're looking for and then visit the 'bary if it does.