On Tue, Jul 13, 2010 at 8:22 PM, Greg Wooledge <wool...@eeg.ccf.org> wrote:
> On Tue, Jul 13, 2010 at 11:19:34AM +0800, Clark J. Wang wrote: > > My PS1 depends much on PROMPT_COMMAND. For example, my PROMPT_COMMAND > will > > trim very long $PWD to a shorter one (depends on the window size of > current > > terminal): > > > > [r...@server ~/directory/loooooooong/very/a/is/this] # ----> > > [r...@server ~/.../very/a/is/this] # > > The same thing could be done with a command substitution inside PS1. > Agree. Actually my PROMPT_COMMAND does more than that, it'll also update a few more vars. Too many command substitution in PS1 may affect the performance, I think. -Clark