Progaramming: how to add a gui front end to a CL command?
matthew.lns1 at gmail.com
Mon Aug 6 16:03:41 UTC 2007
Wow, I could not have said it better.
On 8/6/07, Karl Auer <kauer at biplane.com.au> wrote:
> On Mon, 2007-08-06 at 08:21 -0700, Matthew Voss wrote:
> > If there is no benefit for your self than make sure you pick the right
> > command and do it for some one else. Though, your right, it would be
> > of no use to the person who wrote it!
> This just isn't true. For complex command line programs, and even some
> quite simple ones, the GUI makes it easier for the guru and the neophyte
> alike. By preventing (or warning about) bad combinations of arguments,
> or by sanity-checking parameters, a GUI can help an experienced user
> avoid mistakes, just as it helps the new user avoid them.
> Think about it - why do we write scripts? To condense a complicated,
> error-prone sequence of commands and parameters into a simple,
> easy-to-execute unit. We can forget the complexity and use the power.
> Only the most masochistic guru would typeout all those commands in full
> every time. The tradeoff is flexibility - typically a script does only a
> very limited subset of all the things the individual commands might be
> able to do.
> A GUI does pretty much the same thing - it reduces complexity and
> protects against error. The tradeoff is time - it is as flexible as the
> command line, but it takes longer to get the results, and (usually) has
> no facility for repetition of the same input parameters, so it is slower
> on repetition, too.
> So when we need maximum flexibility with maximum protection from error,
> we take the GUI and trade off repetition and time. When we need maximum
> power and maximum speed (or high repeatability), we trade off
> flexibility and take the custom script. When we need maximum power and
> maximum flexibility, we run the commands ourselves, trading off speed
> (because it takes longer to get them all right and type them all in, and
> we have to do it all again if we want to repeat the operation).
> Regards, K.
> Karl Auer (kauer at biplane.com.au) +61-2-64957160 (h)
> http://www.biplane.com.au/~kauer/ +61-428-957160 (mob)
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