Re: How do I accomplish this?

[Kannan Varadhan <kvaradhan3@xxxxxxxxx>]

Nice.  I didnt know where to look for it,

THanks,

Kannan


On 1/26/17 12:33 PM, Dominik Vogt wrote:
> On Thu, Jan 26, 2017 at 12:19:10PM -0800, Kannan Varadhan wrote:
> > Some of the commands I run seem to take a long time, but also
> > varying amounts of time.
> >
> > I'd like to prefix "time" to every command that runs.  So that,
> >
> > when I type:
> >
> >
> >      % make long-running-target
> >
> > I'd like to see the equivalent of:
> >
> >
> >      % time make long-running-target
> >
> >      ...
> >
> >      make long-running-target     0.00s user 0.00s system 66% cpu
> > 0.004 total
> >
> >
> > I thought preexec() might help:
> >
> >
> >      preexec() {
> >
> >          set $3
> >
> >          eval time "$@"
> >
> >      }
> >
> >
> > but this ends up running the same command twice, once timed, and
> > once without.
> Setting REPORTTIME does the trick:
>
>    REPORTTIME=1  # stats for procs using 1 or more seconds
>
> Ciao
>
> Dominik ^_^  ^_^