If someone says, “Shoot, it was a great day to be alive.” , what does he/she mean?

Question

A example sentence from Oxford dictionary:

Shoot - exclamation
North American informal
used as a euphemism for ‘shit’:

shoot, it was a great day to be alive

What is the tone of this sentence? How to paraphrase it?

Answer 1

Without hearing the intonation my guess would be a tone of happiness

I would guess the speaker to be Texan.

In other parts it could be

Damn, it was a good day to be alive

or

Fer Shizzle, it was a good day to be alive -

Answer 2

Shoot is used as an exclamation or a very mild curse, such as "Darn": Oh, shoot! I left phone in the car!