Yang Zhang wrote: > So it's failing on the first bang? But there is no problem once I > replace !$ with 'dhclient' - usually extglob seems to work fine with the > suppression of history expansion. Or does the presence of !$ somehow > trigger history expansion (normally not run) which then attempts to > history-expand everything?
Essentially the latter. The presence of !$ causes execution to proceed to a point where the check for !( was omitted. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/
