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Operating Systems Solaris Help with who am i . Not displaying real user Post 302506086 by wisdom on Friday 18th of March 2011 01:00:00 PM
Old 03-18-2011
Quote:
Originally Posted by jlliagre
Try this (ksh or bash):

Code:
a=$(tty) ; w=$(w) ; a=$(echo $a | sed 's/\/dev\///') ; echo "$w" | grep -w "$a" | nawk '{print $1}'

Hmmmm..... it works on most of my servers, execpt this very one. I think it must be the way this particular server was built.

It doesn't output anything now on this particular server... When I broke the code down bit by bit, this is the output:
Code:
root@ # a=$(tty)
root@ # w=$(w)
root@ # a=$(echo $a | sed 's/\/dev\///')
root@ # echo "$w"
4:45pm up 188 day(s), 8:28, 1 user, load average: 0.00, 0.00, 0.01
User                             tty                login@      idle     JCPU      PCPU         what
<myusername>           pts/1       4:43pm        w
root@ #
root # echo "$w" |grep -w "$a"
root@ #

thanks for your help thogh, I guess I have to keep searching....

Last edited by pludi; 03-18-2011 at 02:55 PM..
 

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echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.10 3 Aug 1994 echo(1B)
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