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Related thread on the AVIF format and conversions with ImageMagick.
Just when I decided to give up JPEG for storing photos on my hard-disk and upon converting some folders with Nikon raw photos (*.nef) to JPEG2000, I stumble upon a variety of new image formats which all claim to be successors of the old JPEG. But although the “Joint Photographich Expert Group” is behind most of the effort, their work has – for the time...
Posted 10-16-2021 at 01:46 AM byMichael Uplawski Updated 11-13-2021 at 12:43 AM byMichael Uplawski(Wrong title, much misunderstanding and ill-chosen search criteria.)
There are solutions on the Web.
Having read some of these, I prefer a Ruby-Oneliner “readNB” which returns the 1 character that the user has had a chance to enter on the keyboard, before readNB returns.
---------------------- In the meantime -------------------------
GazL has – in the very first comment on this blog, below – presented a better solution with the shell built-in command read: read accepts some parameters and a call like
The logic of ARGV and ARGF still escapes me, I am approaching perfection empirically by trial, error and surrender. Now I believe to do stuff the right way, which is highly unsatisfactory.
Today's sura goes like this:
To avoid a hanging program, when there are no data waiting at STDIN, thou shalt write
Code:
if !STDIN.tty?
# do as you must
end
tty meaning “teletype-writer”, it stands for terminal/console/pseudo-terminal and the like....
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