[colug-432] uniq versus unique

[Thomas W. cranston]

On 01/27/2011 09:05 PM, jep200404 at columbus.rr.com wrote:
> Rob Funk wrote:
>
>    
>> On Thursday, January 27, 2011 12:59:15 pm Thomas W. cranston wrote:
>>      
>>> Still wondering why the terminal suggests installing john
>>>        
>> Because "unique" is a command in the "john" package.
>>      
> But of course, we are both wondering how/why trying to use uniq
> leads to a complaint about missing "unique".
>
> Thomas W. cranston,
>
> Please show us the output of the following commands:
>
>     ls /bin /usr/bin | sort | uniq | head
>     history | grep 'sort.*uniq'
>     alias | grep uniq
>     echo $PATH
>     ps
>
> _______________________________________________
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> colug-432 at colug.net
> http://lists.colug.net/mailman/listinfo/colug-432
>
>    
My bad, I started w/:

  tom at 1520:~$ ls /bin /usr/bin | sort | less

I then added uniq, but misspelled it unique

tom at 1520:~$ ls /bin /usr/bin | sort | unique | less

Should have been:

tom at 1520:~$ ls /bin /usr/bin | sort | uniq | less
________________________________________

I will run the commands you asked for, and show their results
    ls /bin /usr/bin | sort | uniq | head
    history | grep 'sort.*uniq'
    alias | grep uniq
    echo $PATH
    ps

tom at 1520:~$ ls /bin /usr/bin | sort | uniq | head

[
2to3
2to3-2.6
a2p
abrowser
aconnect
acpi_fakekey
acpi_listen
add-apt-repository

tom at 1520:~$  history | grep 'sort.*uniq'
   501  ls /bin /usr/bin | sort | unique | less
   507  ls /bin /usr/bin | sort | unique | less
   509  ls /bin /usr/bin | sort | unique | less
   511  ls /bin /usr/bin | sort | unique | less
   516  ls /bin /usr/bin | sort | unique | less
   518  ls /bin /usr/bin | sort | unique | less
   519  ls /bin /usr/bin | sort | uniq | less
   520  ls /bin /usr/bin | sort | uniq -d | less
   521  ls /bin /usr/bin | sort | unique | less
   534  ls /bin /usr/bin | sort | uniq | wc -l
   535  ls /bin /usr/bin | sort | uniq -u" switch to only show unique| wc -l
   536  ls /bin /usr/bin | sort | uniq -u" | wc -l
   537  ls /bin /usr/bin | sort | uniq -u | wc -l
   538  ls /bin /usr/bin | sort | uniq -u | wc
   539  ls /bin /usr/bin | sort | uniq | grep zip
   540  ls /bin /home/tom | sort | uniq | grep .txt
   635  ls /bin /usr/bin | sort | uniq | less
   636  ls /bin /usr/bin | sort | uniq | head

tom at 1520:~$ alias | grep uniq
tom at 1520:~$

tom at 1520:~$ echo $PATH
/home/tom/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games

tom at 1520:~$ ps
   PID TTY          TIME CMD
  2300 pts/0    00:00:00 bash
  2366 pts/0    00:00:00 less
  2521 pts/0    00:00:00 less
  2531 pts/0    00:00:00 less
  2537 pts/0    00:00:00 less
  2545 pts/0    00:00:00 less
  2648 pts/0    00:00:00 less
  4812 pts/0    00:00:00 ps
tom at 1520:~$

Tom