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Best of the Newsgroups: slowing down output

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From: "Tony  Lawrence" <pcu...@gmail.com>
Subject: Re: How can I delay after sending each character to a device?
Date: 26 Dec 2006 07:36:40 -0800
Message-ID: <1167147400.479318.115920@73g2000cwn.googlegroups.com> 
References: <1167143809.705459.308340@79g2000cws.googlegroups.com> 


Tony  Lawrence wrote:
> mail...@cpacker.org wrote:
> > Can this be done with a shell script:
> > Send a file to /dev/lp0 one character
> > at a time so that I can slow down the
> > transfer rate slightly by executing
> > no-ops between the output of each
> > character.
> >
> > Motivation: an old Okidata dot-matrix
> > printer that I want to use to print
> > some long program listings on fan-fold
> > paper. It prints garbage that some
> > experimentation revealed to be the
> > result of it dropping approximately every
> > other character.
>
> Well, sure, of course it can be done, though much easier in a language
> like Perl than in the shell and arguably even easier in C.
>
> But this sounds more like broken hardware.  For example, if you do
>
> echo -n h > /dev/lp0;sleep 60; echo -n i > /dev/lp0;sleep 1; echo -n !
> > /dev/lp0
>
> does it print "hi!" or "h!" ?

I forgot to add this:


http://zwitterion.org/software/slow-filter/

would give you a tool to slow down output..

-- 
Tony Lawrence
Unix/Linux/Mac OS X Resources
http://aplawrence.com