1 #########################################################################
2 # File Name: showlogged.sh
3 # Author: zhang yunabo
4 # mail: ma6174@163.com
5 # Created Time: Mon 27 Aug 2018 08:07:33 AM EDT
6 #########################################################################
7 #!/bin/bash
8 declare -i debug=0
9 declare -i count=0
10 declare -i showusers=0
11
12 for i in `seq 1 $#`;do
13 if [ $# -gt 0 ];then
14 case $1 in
15 -h|--help)
16 echo "usage:`basename $0` -h|--help -c|--counts -v|--verbose"
17 exit 0;;
18 -v|--verbose)
19 let debug+=1;;
20 -c|--counts)
21 let count+=1;;
22 *)
23 echo "usage:`basename $0` -h|--help -c|--counts -v|--verbose"
24 exit 0;;
25 esac
26 fi
27 shift
28 done
29
30 if [ $count -eq 1 ]
31 then
32 echo "loged user :`who | wc -l`"
33 fi
34 if [ $debug -eq 1 ]
35 then
36 w
37 fi
