On 2/23/18 10:20 PM, don fong wrote:
> hi folks. i'm a bash user, who just noticed a slight anomaly. it has
> to with the shell variable modifier ${parameter?} . according to the
> man page, ${X?} should yield an error message and exit if X is unset,
> otherwise the value of X. in this case,
>
> unset X; echo ${X?}
>
> i expect to get an error message, and indeed an error message results.
>
> bash: X: parameter null or not set
>
> but i think the error message is misleading.
Thanks for the report and patch. I'll take a look.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/
