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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: Toy code for currency handling
Date: Wed, 06 Dec 2017 20:39:51 -0800
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bartc <bc@freeuk.com> writes:
[...]
> Slight change of subject, but out of interest, how did anybody ever 
> manage to code in C when using a terminal that only did upper case?

If I recall correctly, the "stty xcase" command is supposed to map
uppercase input to lowercase, while letting you precede a letter with a
backslash if you need an actual uppercase letter.  Since UNIX commands
and C source tend to be mostly lowercase, it worked reasonably well.

For example
    echo Hello World
might look something like
    ECHO \HELLO \WORLD
or perhaps
    echo \hello \world
if your terminal can display lowercase letters but you can't enter
them.  This would have been in the days of line-oriented editors
like "ed".

A quick Google search and a brief experiment indicate that it probably
doesn't work on modern systems.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"