On 10/24/16 7:32 PM, L. A. Walsh wrote:
> I don't understand the ambiguity. If param= "#obj[@]", then it
> is clear to me that the user wants the length of an array named "obj".
Stop there. In something like ${#obj[@]}, `param' is `obj[@]'. The
`${#param}' is a clearly-defined word expansion, separate from the
`[:]-' forms:
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_02
That's what we're talking about here.
--
``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/