On 8/16/12 9:17 AM, 郑文辉(Techlive Zheng) wrote: > I was trying to reload the bash history file which changed by another > bash session with the following commands, but it wouldn't work, please > help me, why? > > ``` > new_history=$(history -a /dev/stdout) > history -c > history -r > echo "$new_history" | history -r /dev/stdin > ```
One possible cause that springs to mind is the fact that the `history -r' at the end of the pipeline is run in a subshell and cannot affect its parent's history list. -- ``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/