maybe
history | awk '$2 ~ /ssh/ {$1=""; print $0}' | sort -u
On 16 September 2013 21:14, James B. Byrne <byrnejb@xxxxxxxxxxxxx> wrote:
>
> On Mon Sep 16 16:34:31 UTC 2013, zGreenfelder zgreenfelder at gmail.comwrote:
> >On Mon, Sep 16, 2013 at 12:27 PM,
> > James B. Byrne <byrnejb at harte-lyne.ca>wrote:
> >> I am obviously missing something basic here but can someone explain
> >> to me what is wrong with the first statement, which returns nothing?
> >>
> >> $ history | grep ^su
> >> $ history | grep su
> >> 2997 su -l
> >> 3024 su -l
> >> 3050 su -l
> >> 3054 su -l
>
> > there are numbers at the start of the line?
>
> Duh! Thanks. I could not see the forest for the trees I guess. I ended up
> with the following as I wanted a visual scan of all variants not just the
> most
> recent:
>
> history | cut -f1-3 -d " " --complement | grep ^su
>
> This is in the bash shell on CentOS-6.4.
>
>
> --
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