How to display the output of “WHO” command and along with count?

Asked By kamnagarg 0 points N/A Posted on - 08/13/2011

As we know " who" command in unix gives output as:

abc pts/0 Aug 23 10:43 …

bcd pts/2 Aug 23 10:43 …

but i want to see the output as :

abc pts/0 Aug 23 10:43 …

bcd pts/2 Aug 23 10:43 …

Total number of users: 2

Please help me to get this output.

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• Question Category: Shell Scripting

Best Answer by KevinBlythe

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Answered By KevinBlythe 0 points N/A #111483

How to display the output of “WHO” command and along with count?

You should consult unix or linux guides on how to create and run shell scripts as it is too lengthy to discuss here.

Write the following in a shell script:

—- start —-

who
echo -n " Number of  users:"
who | awk '{ print $1 }' | sort | uniq | wc -l

—- end —-

The first line prints out the standard "who" command output.  The second line displays the text "Number of users: ".  The "-n" option to echo prevents it from inserting a newline character.  Finally, the third line counts the number of unique users from the output of a "who" command.

Hope this helps.

 

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• Posted on - 08/14/2011
• Question Category: Shell Scripting