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

[Tim Wilson]

^H is backspace. I think the “+^Ho” sequence is a bullet.

On Thu, Jul 11, 2019 at 10:22 AM David Champion <dchamp1337 at gmail.com>
wrote:

> Then look them up on the ascii chart:
>
> https://en.wikipedia.org/wiki/ASCII
>
> -dc
>
> On Thu, Jul 11, 2019 at 10:20 AM David Champion <dchamp1337 at gmail.com>
> wrote:
>
> > You can use one of many tools to look at the hex values of those
> > characters, i.e. "hexdump myfile"
> >
> > -dc
> >
> > On Thu, Jul 11, 2019 at 10:17 AM Todd Walton <tdwalton at gmail.com> wrote:
> >
> >> When I use "cat -A" to dump the contents of a text file, it shows me
> >> all the unprintable characters in the file. For example, I have a file
> >> that cat outputs like this:
> >>
> >> ^[[1mAVAILABLE COMMANDS^[[0m
> >>        +^Ho batch-get-traces
> >>        +^Ho create-group
> >>
> >> I've never seen the plus sign before. I know that ^I (capital I as in
> >> India) represents a tab. I don't know what ^H is. And so on.
> >>
> >> Is there a reference for what all those extra characters represent?
> >>
> >> --
> >> Todd
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> >>
> >
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-- 
Tim
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