1: #!/bin/bash 2: # Simple shell script that uses command substitution and an if statement. 3: # This script has an accompaning man page. 4: # 5: # Written 2002 by Wayne Pollock, Tampa Florida USA. 6: # 7: # $Id: nusers,v 1.1 2003/03/18 08:37:27 wpollock Exp $ 8: 9: COUNT=$(who | wc -l) 10: 11: if [ "$1" = "-v" ] 12: then 13: echo There are $COUNT users on the system now. 14: else 15: echo $COUNT 16: fi