Re: [Jscheme-user] Re: Scriptometer scripts in JScheme.

[Ken A. <kan...@bb...>]

At 09:23 PM 9/18/2004 +0200, Pixel wrote:
>Ken Anderson <kan...@bb...> writes:
>
>> I think we tried to write some JScheme scripts for your Scriptometer page
>> http://merd.sourceforge.net/pixel/language-study/scripting-language/
>> a while back.
>> 
>> Here are JScheme versions of the scripts:
>> http://openmap.bbn.com/~kanderso/jscheme/scriptometer/
>> 
>> Can you add them to your website?
>
>hum, well some comments first:
>
>**********
>>    This file contains JScheme examples of Scriptometer scripts. I have
>> not found a satisfactory way of getting shebang (#!) to work on
>> windows under cygwin. So, this code assumes a bin/run command that
>> takes a jscheme script and arguments (see also src/run.scm"):
>
>hum, i can't accept this, otherwise every language can be "shebang"
>aware!
>
>when it is included in the default jscheme install, i will accept it!

I've worked out how to do #!, but it does require a script to be called.  I'll make it part of jscheme.


>**********
>how does one run hello.scm which contains the following?
>
>(display "Hello World\n")

I would do something like this:

java -jar lib/jscheme.jar hello.scm

>**********
> (print (if (= (out (run (cmd false))) 1) "false failed" "done"))
>
>can you make it more alike the other versions. eg in python:
>
> if os.system("false"):
>     sys.stderr.write("false failed\n")
> os.system("echo done")

Yes. I'll do something like:

(if (system "false")
    (System.out.println "false failed")
    (system "echo" "done"))
>**********
>for "remove #-comments from a file (modifying the file, i.e. in place)"
>
>one must replace line "foo#bar" with line "foo"
>(eg in sed: sed -i -e "s/#.*//" $1)
OK.

>**********
>i don't understand the "compile .c files ..." entry.
>i'd say something is broken?
>
>  (let* ((dir (java.io.File. "."))
>        (s->o (s->o dir dir ".c" ".o"))
>        (update? (needsUpdate? s->o)))
>      ...)
>
>or this really working? is "needsUpdate?" a builtin ? please
>correct/explain me :)

s->o and needsUpdate? is provided by (load "using/run.scm")
s->o returns a procedure that takes a source file and produces the current .
I can include their code if you think thats fairer.

>**********
>the grep entry is not allowed to use the grep command

OK.


>**********
>
>that's it,

OK, i'll let you know when i've got a new version.

k