Re: Shell Script Pointers?

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on 5-13-2009 4:21 AM James Bensley spake the following:
> Hey Listee's
> 
> I am trying to write a shell script to sort and compare my blacklist
> for squidGuard with the nightly updates that come down in a tar ball.
> It should be rather simple but I'm not to grate at this. The script is
> to run nightly, it will download the latest blacklist tarball, un tar
> it and then add any new entries to the existing black list. The
> blacklists work by having a folder for each filtered category so the
> folder "db" contains the subfolders "adult", "gambling", "drugs" etc
> and each sub folder has two files, "domains" and "urls" (pretty self
> explanitory). This is how far I have gotten (I haven't tested this
> script yet as I haven't had a chance I have only gotten as far as
> writting it, this is what I have so far:
> 
> 
> #!/bin/bash
> #This will be running from home directory
> 
> wget http://www.blacklistsite.com/blacklist.tar
> tar -cxf blacklist.tar
> cd BL
> 
> find ./ -type d -maxdepth 1 | while read FOLDER; do
>         SQUIDDB="usr/local/squidGuard/db/$FOLDER"
>         sort_db($SQUIDDB)
>         comm -3 $SQUIDDB/domains $FOLDER/domains > $SQUIDDB/domains.missing
>         comm -3 $SQUIDDB/urls $FOLDER/urls > $SQUIDDB/urls.missing
>         cat $SQUIDDB/domains.missing >> $SQUIDDB/domains
>         cat $SQUIDDB/urls.missing >> $SQUIDDB/urls
>         rm $SQUIDDB/domains.missing
>         rm $SQUIDDB/urls.missing
>         sort_db($SQUIDDB)
> done
> 
> sort_db(){
>         sort -f $1/domains > $1/domains.sorted
>         sort -f $1/urls > $1/urls.sorted
>         rm $1/domains
>         rm $1/urls
>         mv $1/doamins.sorted $1/domains
>         mv $1/urls.sorted $1/urls
> }
> 
> Is it obvious I'm new to this? Hehe, I would also love to hear how
> people would do this in a more efficient manner because obvisouly this
> is pretty sloppy and as I said I haven't tested it yet so it might not
> even run?!
> 
> Thanks, James ;)
> 
> -----BEGIN GEEK CODE BLOCK-----
>   Version: 3.1
> GIT/MU/U dpu s: a--> C++>$ U+> L++> B-> P+> E?> W+++>$ N K W++ O M++>$ V-
> PS+++ PE++ Y+ PGP t 5 X+ R- tv+ b+> DI D+++ G+ e(+++++) h--(++) r++ z++
> ------END GEEK CODE BLOCK------
Are you looking to have a custom blacklist, or do you just want to know what
changed?


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