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Need help for a begginer script

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 PostPosted: Fri Jun 24, 2011 3:15 pm   

Joined: Fri Jun 24, 2011 2:46 pm
Posts: 8

# how to ask to the user to enter his admin authentification (SU) ?
# and how to keep it applicated after the end of this small script ?
# how to replace my admin name (adminname) by the one of the user ?

# program name: eraser

while [ "$eraser" -lt '7' ] ; do
rm -rf /Users/adminname/.Trash/
eraser="$(expr "$eraser" '+' '1')"
echo "The eraser has empty the trash securely"

# you understood what I want, just a small script which erase successively seven times the trash.
# I have another problem (I run under OS X ), when I run the following command line :
# sudo rm -rf /Users/adminname/.Trash/
# when I put a file to the trash, the system do not keep it in the trash. It erases it instantly
# it's like I was running the command line once again.
# this is a problem. I do not want any system settings changed
# last question : How do I do to "see", to "be sure", that the system, with this script, empty the trash 7 times?

Thanks for all.

I'm new here and hope this forum is serious, 'cause there is not a lot of forums with members who speaks about that and which is looking to getting advanced in bash.

 PostPosted: Fri Jun 24, 2011 11:41 pm   
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Joined: Sun Jun 27, 2010 12:57 am
Posts: 192
1) You cannot delete a file or folder more than once. When it's gone, it's gone. Deleting something 7 times is impossible.
2) If you delete your .Trash folder, OSX cannot store anything there anymore, so any subsequent 'delete' of a file, cannot be stored in .Trash (since you already removed it).
3) use [code] tags around the script you post here... It's crap to read right now.

As a suggestion, if you want to 'securely delete' something, you can overwrite the contents of a file with rubbish of the same size, before actually deleting it.

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