Re: How do we get state of a flag in set -o ...

[Emanuele Torre]

On Wed, Jul 12, 2023 at 02:54:10AM +0700, Budi wrote:
> EDIT:
> 
> How do we get state of a flag in set -o ... that has no directly alias
> set [-+] , e.g.
> set -o posix
> or
> set -o vi
> ?
> 
> not, e.g. set -o errexit , as it can be retrieved by echo $-
> 
> then it'll be determined if letter e exists at the output string .
> Please help sincerely.
> 

test/[/[[ have a -o option for that:

  [[ -o posix ]]
  [ -o vi ]
  test -o errexit

o/
 emanuele6