Yang Zhang wrote: > (IIRC, in bash, variables set to > empty arrays and unset variables are the same).
In the shell, a variable is not set until it has been assigned a value. An array variable is not set unless one of its indices has been assigned a value. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/