Shell Programming and Scripting

I am new to shellscript . PLease help me how can I write the following script.


[ ray@linux ] $ who
ray pts/0 aug 31 01:18 ( 65.169.28.200 )
ray pts/1 sep 2 02:28 ( 65.169.28.200 )
bob pts/3 sep 2 02:31 ( 65.169.28.201 )

when run the command who |./ script , the script should print out how many times users are logged in and listing all the user's login times in the same line.

example output: 2 ray aug-31-01:18 sep-2-02:28
1 bob sep-2-02:31

This seems to work:

Code:

#!/bin/bash -  

if [ $# -lt 1 ]; then   
  echo "Usage: `basename $0` <user>"   
  exit 
fi  

USER=$1 
LOGINS=`who | grep $USER | wc -l` 
TIMES=`who | awk '{print $3,$4,$5}' | sed -e 's/\n/ /g' -e 's/ /-/g'`

echo "$LOGINS $USER $TIMES"

Thanks for the help

You're welcome.