[Cialug] cat -A... what do those characters mean?

[David Champion]

I wouldn't rely on the caret notation, look up the hex code as the source
of truth. I've seen cases where the character represented in various
notations doesn't match what the actual hex value is in the file.

Here's an extended ascii chart that shows your bullet character as ASCII
149, or 10010101 in binary.

https://www.ascii-code.com/

-dc


On Thu, Jul 11, 2019 at 12:49 PM Todd Walton <tdwalton at gmail.com> wrote:

> So, at least part of it is called "caret notation", according to
> Wikipedia. It means "take the binary ASCII string that represents this
> character, flip the most significant bit, and then look up the
> character that the new bit string represents".
>
> With ^H, "H" is decimal 72 in the ascii table, which is binary
> 1001000. Flip the significant bit, the leftmost, and you get 0001000,
> which is decimal 8, which is <backspace> in the ascii table. Violà.
> Caret notation.
>
> Now, where is "+^Ho" defined as a bullet?
>
> --
> Todd
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