10-31-2005
Self deleting script
I have a script like this called "remove.sh":
#!/usr/bin/ksh
rm remove.sh
echo "Deleted myself!"
Since UNIX is a scripting language I thought running it like " sh remove.sh" would generate an error/ or ANYTHING except the echo statements output. But the echo statement came out alright!
Since in this case I had spawned a sub-shell (using 'sh'), I tried running it as ". remove.sh" and it still worked.
Can anybody explain why?
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LEARN ABOUT DEBIAN
update-metainit
UPDATE-METAINIT(1) User Contributed Perl Documentation UPDATE-METAINIT(1)
NAME
update-metainit - Generates init scripts
SYNOPSIS
update-metainit [--remove initname [--purge] ]
DESCRIPTION
Metainit solves the problem of writing good init scripts. Instead of manually creating these important files, they are derived from a
declaritive description in the metainit files in /etc/metainit. These files can be shipped with packages or created by the local adminis-
trator.
If update-metainit called without argument, it will regenerate init scripts for all the files in /etc/metainit. The generated files contain
a large warning in form of a comment that they will be overridden. Modifications are preferably done in the files in /etc/metainit and made
effective by running update-metainit. If needed, the administrator can prevent modified init files by removing the warning comment.
OPTIONS
--remove initname
This command will remove any generated and non-modified scripts that were created by the metainit file with the name initname.
--purge
Only usable with --remove. Will remove the generated files even if modified.
SEE ALSO
dh_metainit(1)
AUTHOR
Joachim Breitner <nomeata@debian.org>
perl v5.8.8 2007-07-30 UPDATE-METAINIT(1)