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I have my webpage hosted on one unix server, and using the command <!--#exec cmd="./nUsers.sh"--> it calls the appropriate script to tell me how many people are on the unix server at that time. I...

I have no idea why I can't get this to work, if anybody can help i would appreciate it.

#!/bin/bash
x=`cat counter.txt | wc -l`
y= '$x / 7'
printf "%d People have visited this page" $y
...

Does anyone know what the history script looks like. I need to write a similar script that would read my own history file and only extract the last X number of lines I ask it to. Any help would be...