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Checking if any folder is opened or not?

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# 1  
Old 09-10-2008
Checking if any folder is opened or not?
Alogorithm:
=============
Whenever any user open any specific directory:
1) cd /usr/lib

The prompt should show an Alert message like
2) echo "You have opened this folder"


How should I write shell script this one?..

It should be irrespective of users and
continuously run in the background; checking whether the folder is opened or not?

Waiting for your suggestions...Smilie
# 2  
Old 09-10-2008
If you are on Linux, check out inotify.
# 3  
Old 09-10-2008
No i am using UNIX ksh..
# 4  
Old 09-10-2008
lsof or fuser
# 5  
Old 09-10-2008
[/users/css]lsof
/usr/bin/ksh: lsof: not found

[/users/css]fuser
/usr/bin/ksh: fuser: not found
# 6  
Old 09-10-2008
What OS?

You may have to download the version for your OS... It is not native but open source (lsof that is...)
And fuser is normally in /usr/sbin (or /sbin..)
# 7  
Old 09-10-2008
Learning the Korn Shell: Unix ... - Google Book Search has a sort of suggestion for this.
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