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Subject: Re: bash script problem ?
Date: Thu, 24 Mar 2016 01:52:53 -0000 (UTC)
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On Thu, 17 Mar 2016 14:07:13 +0000, Joe Beanfish wrote:

> ......... The command line lets you form things the original
> author didn't conceive of. Unlike most GUIs which only allow the small
> set of things the author thought to allow you to do.
> 
Indeed my worst case is this damned web-baseed-gmail.
It's like getting cofee, with one arm tied behind your back.
When you ask for sugar, you must put the coffee cup down on the floor,
and then ask for a tea-spoon, and go on-line again to re-ask for sugar,
and then dip a spoon-full of sugar .........

With ETHO, I could have multiple Rx-ed & drafts, written mails, all on
the screen together, with the <server directory> all at the same time,
mouse: select + click :: send that-one, fetch that-one ......

> But in a more complex situation as your original script the ad-hoc
> ability of the command line is very useful and powerful.  

Exactly; but you conflate GUI v keybrd-based-command-line
  with cartoon-based-single-window v See&select-multiple-text-frame/window

But I must admit that cmnd-line allows piping/serial-transformations.
ETHO & wily deliver each stage to a new/extra textFrame/window, where
See&select is manually done to get to the next stage.

Piping/serialy-transforming is off course unbeatable for programmed
operations, like:
  show the lines containing <text1>
  in all files of <dir-tree>
  and only <N days old>
  but not *.pdf, *.gif files
  and the file also contains <text2> & <text3>

..........