Ignore error with non-zero exit status (was: How to ignore error with anon-zero exit status)

[Ganesh Pal]

> (Polite people would *ask* a *question*.)

I am a polite person , sorry if the wording was harsh.

> (“_a non-zero_”, with a space in-between.  “anon” can be misunderstood as
an
> abbreviation for “anonymous”.)

It was a typo.

> Most simple solution for this: Do not use a loop.  More "complicated"
> solution: Use an “if” statement.

I want to stick on to loop and try modifying the code with if. Should I use
some comparison operation with if  ?