Re: succinct awk code to check for paired parantheses?

[Manuel Collado]

El 25/03/2021 a las 7:33, Wolfgang Laun escribió:
> ...
> I had been thinking along similar lines. As I always try to reduce the
> use of escaping, I came up with:
>
> function isBalanced(s){
>     gsub( /[^][)(}{]+/, "", s );       # only ']' is tricky in [...]
>     while( gsub( /\(\)|{}|\[]/, "", s ) );   # an empty {} is not
> "magic", and neither are unbalanced ']' and ')'
>     return length(s) == 0;
> }

Excellent! This is probably the minimal code that solves the problem.

Thanks.
--
Manuel Collado - http://mcollado.z15.es