Re: ascii clocks

Russell Marks <russell.marks@spam^H^H^H^Hntlworld.com> wrote in message
news:vMWL5.933$5j5...@news6-win.server.ntlworld.com...
> Fau...@home.com (Faux_Pseudo) wrote:
>
> > --(Once apon a time, in alt.ascii-art,)--
> > --(Todd Vargo said it like only they can.)--
> > >
> > >That's the functionality I was referring to. You don't want to
(shouldn't)
> > >clear the entire screen (unless the clock will be hovering like a
> > >screensaver clock, you didn't say). My qb code only changes the digit
that
> > >actually changed in the array, then prints only the time again. Oh
well, I
> > >tried helping.
>
> Perhaps an analogy would help - programming in bash is a little bit
> like writing DOS batch files, only bash is far more powerful and has
> proper programming language features (control structures and the
> like). Still, cursor movement is awkward in bash.

Would you like to see this in a fully functioning batch file? Yep, I had to
do it. Only took 2 days of spare time. The zip including a face and
character set and the batch files is only 2KB.

>
> > and there is a way to use the trick you are talking about in bash
>
> tput?
>
> > now the time function works right now but i need to rewrite part of it
> > becase the time prints like
> >  2222
> > 22  22
> >    22
> >   22
> >  222
> > 222222
> [vertically-printing one digit after another mostly cut]
> >  9999
> > 99  99
> >  9999
> >    99
> >   99
> >  99
> >
> > instead of the corect horazontal out put
>
> Probably the best thing to do if you insist on doing this in bash (and
> I have to say that's an amazingly perverse thing to do it in :-)) is
> to output the digits to separate temporary files (when you start up
> the clock program, preferably) and use `paste' to put them together.
> For example, with files `2' and `9' as above:
>
> rus@cartman:2147:/home/rus/tmp>paste 2 9
>  2222    9999
> 22  22  99  99
>    22    9999
>   22       99
>  222      99
> 222222   99

Whoa, you can paste side by side? Oh well, the syntax don't help me any way.

>
> (You could also make a temp file containing the necessary
> cursor-positioning control codes, and list that first in the paste
> command-line.)
>
> You might also want to look into using `trap' to clean up any such
> temporary files on e.g. ^C. The basic idea would be to do something
> like this before writing any of the files:
>
> trap 'rm -f files_to_delete' 0 1 3 15
>
> (Obviously wildcards and variables are ok in the `rm' too.)
>
> ObASCII: one I did a few years back for a ZX Spectrum manual
> transcription, which seems appropriately `techie' for this post... :-)
>
>                                   | y-axis
>                                   |
>                     cosine of a = COS a <-__
>                                ___|_|_      --_   a
>                            __--   |_v_-+__     -_
>                          _-       |   /|  -_     \
>                         /         |  / |    \     \
>                        /          | /  |<-+  \     |
>                       |           |/   |  |   |    |
>             ----------+-----------+-------|---+-----------
>                       |           |       |   |\     x-axis
>                       :\ sine of a = SIN a   /  \
>                       : \_        |        _/    \
>                       :   --__    |    __--       \
>                       :       ----+----             starting
>                       :           |                 position
>                       <-radius=1 ->
>                                   |
>                                   |
> -Rus.

--
Todd Vargo (body of msg must contain my name to reply)

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