On 1/23/17 9:04 AM, admn ombres wrote:
> $ x=(x); echo ${#x[@]}; shopt -s nullglob; unset x[0]; echo ${#x[@]}
> 1
> 1
> $ x=(x); echo ${#x[@]}; shopt -u nullglob; unset x[0]; echo ${#x[@]}
> 1
> 0
`unset' is a builtin; its arguments are subject to all the shell word
expansions, including globbing. If you don't want to take a chance on
the effects of globbing modifying the word, quote it.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
