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Full Discussion: users who loged within 5 minutes
Top Forums Shell Programming and Scripting users who loged within 5 minutes Post 302125181 by aigles on Wednesday 4th of July 2007 09:28:50 AM
Old 07-04-2007
The who command gives time when the user logged in.
Code:
$ LANG=C who -s
gssjgu:/g/g00k00/gssjgu/TMP> LANG=C who -s
gssjgu      pts/1       Jul  4 15:06    (1.1.1.11)  
getk00      pts/2       Jul  4 08:54    (1.1.1.2)   
gti001      pts/3       Jun 22 15:38    (1.1.1.39)  
$

The following script display informations about users who logged in since n minutes (n can be specified as a parameter of the script, the defaut value is 5).
Code:
$ cat log5.sh
#!/usr/bin/ksh

typeset -i SINCE=${1:-5}

#
# Get current date
#

date '+%Y +%m %d %H %M' | read year month day hour min

#
# Compute timestamp for current date minus $SINCE minutes 
# format 'mmddHHMM' ('cal' command usage)
#

(( min  -= SINCE ))
(( min  <  0 )) && { (( min += 60 )) ; (( hour -= 1 )) }
(( hour <  0 )) && { (( hour += 24 )) ; (( day -= 1 )) }
(( day  <=  0 )) && { 
   (( month -= 1 ))
   (( month <= 0 )) && { (( month=12 )) ; (( year -= 1 )) }
   day=$(cal $month $year | tr '\n' ' ' | awk '{print $NF}')
}

ts5=$(printf "%02d%02d%02d%02d" $month $day $hour $min)   
#
# Determine users logged on since $SINCE minutes
# (Based on 'who -s' command)'
#

LANG=C who -s |
awk -v ts5="$ts5" -F '[ \t:]*' '
   function to_timestamp(month, day, hour, min) {
      m = index("___,jan,feb,mar,apr,may,jun,jul,aug,sep,oct,nov,dec,", "," tolower(month) ",")/4;
      return sprintf("%02d%02d%02d%02d", m, day, hour, min);
   }
   to_timestamp($3, $4, $5, $6) >= ts5
'
$

Output:
Code:
$ LANG=C date
Wed Jul  4 15:22:04 DFT 2007
$ log5.sh
$ log5.sh 30
gssjgu      pts/1       Jul  4 15:06    (1.1.1.11)  
$

 

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LEARN ABOUT HPUX

whodo

whodo(1M)																 whodo(1M)

NAME

       whodo - which users are doing what

SYNOPSIS

DESCRIPTION

       The command produces merged, reformatted, and dated output from the and commands (see who(1) , ps(1) and acctcom(1M)).

       If user is specified, output is restricted to all sessions pertaining to that user.

       The following options are available:

       Suppress the heading.

       Produce a long form of output.  The fields displayed
		      are:  the  user's login name, the name of the tty the user is on, the time of day the user logged in (in hours:minutes), the
		      idle time - that is, the time since the user last typed anything (in hours:minutes), the CPU time used by all processes  and
		      their  children  on that terminal (in minutes:seconds), the CPU time used by the currently active processes (in minutes:sec-
		      onds), and the name and arguments of the current process.

EXTERNAL INFLUENCES

   Environment Variables
       determines the order in which the output is sorted.

       If is not specified in the environment or is set to the empty string, the value of is used as a default.  If is not specified or is set	to
       the  empty  string,  a  default of ``C'' (see lang(5)) is used instead of If any internationalization variable contains an invalid setting,
       behaves as if all internationalization variables are set to ``C'' (see environ(5)).

FILES

       SEE ALSO
	      ps(1), who(1), acctcom(1M).

STANDARDS CONFORMANCE

																	 whodo(1M)
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