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Problem with command argument

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http://www.unix.com – I'm having problem with taking in arguments and be able to use the content of the argument for something else. In this case I need to take in user names and check if the person is online using finger or who For example, my script name is getuser in shell I type getuser username1 username2 I want to be able to take username1 and check if he's online then take username2 and check if he's online. I'm currently just echo ing the argument to understand how to increment. Note that there may be more then 1 argument. I know that echo $* will print all the arguments echo $1 will print username1 e (HowTos)