On 15/11/10 07:03, Paul Eggert wrote: > On 11/14/2010 03:22 PM, Joel E. Denny wrote: >> To keep things simple, could we just extend the existing bootstrap script >> so that, once it has fetched gnulib sources and before doing anything >> else, it updates itself and re-exec's itself if there are any changes? > > It sounds tricky to update a shell script in place, while it's executing. > I'm not saying it can't be done....
I've done it before, but I don't know how general the method is: http://www.pixelbeat.org/scripts/self_modify.sh
