On Sat, Jul 10, 2010 at 11:30 AM, Eric Blake <ebl...@redhat.com> wrote:
> On 07/09/2010 09:22 PM, Clark J. Wang wrote: > > For example, in the interactive shell, I want to track the time when > every > > inputted command is invoked. So I want to run a `date' command before > > actually invoking the inputted command. For now I have to do like this: > > > > $ date; command1 > > $ date; command2 > > > > Is there an easy way to do that? > > Not quite before the command, but it is very easy to include $(date) as > part of PS1 to have a timestamp listed in the prompt that is printed > after every command. Yes, timestamp in PS1 is fine for after-command purposes. And actually I use the PROMPT_COMMAND var for that. Except for long-running processes, there won't > even be much difference in the timestamps. > > Looks like not a perfect solution. :) > -- > Eric Blake ebl...@redhat.com +1-801-349-2682 > Libvirt virtualization library http://libvirt.org > >
