On 11/19/14, 5:03 PM, Piotr Grzybowski wrote: > exactly. why is that? you touched the most important thing: types. > thats why in script languages, where you do not define variables with > types as such, you have the meaning of "empty", a="" makes a empty, > declare -A b makes b empty.
You're using `empty' imprecisely. In your example, a is set, while b is not. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/