On Mon Sep 16 16:34:31 UTC 2013, zGreenfelder zgreenfelder at gmail.com wrote:
>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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