IperBackup is a CLI backup script for the photography plattform Ipernity
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IperBackup - a Ipernity backup script
IperBackup gives you the possibility to completely download all documents in
you Ipernity account. You can either let IperBackup do all the work, so that
it fetches all information and downloads every single file or you let
IperBackup just create a download URL list, which you can use with your
favourite DL manager.

To use IperBackup your system needs to have the following requirements installed 
(best installed from bottom to top):

	- Perl 5.8.x (or higher)
	- Ipernity::API 0.09 (or higher)
	- Date::Manip
	- XML::Simple
	- LWP::UserAgent
	- URI
	- HTTP::Request
	- Digest::MD5
	- Log::Log4perl
	- Getopt::Long
	- Time::HiRes

CPAN 101
To check if the corresponding perl module is installed, you can use the
following command:

	perl -M<module name> -eprint
	e. g.: perl -MIpernity::API -eprint

If this command returns an error message, the module is missing on your
system. If nothing is returned, everything is fine.

To install a module, the easiest way is to use CPAN. CPAN is the
"Comprehensive Perl Archive Network". To install a module you can use the
follwoing command.

	perl -MCPAN -eshell

This will start the CPAN shell for you. Once you see the "cpan>" prompt,
just enter "install <module name>" and CPAN will fetch the module and 
install it locally on your system

The usage of IperBackup is pretty simple. First you have to decide which action to use:
	-l, --list	to create a list with all download URL, to use in your DL manager
	-d, --download to let IperBackup download each file for you
	the options are mutual exclusive and mandatory. Otherwise IperBackup
	will just display the help output.

You should also specify an output directory, so IperBackup knows where to store your
files (or the URL list). If you don't specify the output directory, IperBackup will
use /var/tmp. The parameter for this is:

	-o, --outdir

You also will need a config file, where you define some parameters, which are mandatory
to IperBackup (e. g. your API AuthToken and the API UserID). By default IperBackup will
look for the config file in /etc/IperBackup.conf. If you wanna use another file, just 
use the:

	-c, --config

parameter to tell IperBackup where to find the config file.

If you haven't specified your API UserID and AuthToken in the config file, IperBackup 
will generate and fetch both for you, so you can add it to your config file. Once both
parameters are set in your config file, IperBackup won't bother you about this anymore.

If you like to fetch only a specific media type (there are: audio, photo, video and 
other), you can use the -m (or --media) parameter. You can specify just one media type, 
but also you can specify more media types at once. Here are two examples:

        -m video
        --media video,audio,other

In case you like to fetch only a documents with a list of specified tags, you can use
the -t (or --tags) parameter. You can provide one or more tags (up to 20). The search 
will be more limited, the more tags you provide. Here are two usage examples:

        -t 2009
        --tags 2009,cologne,water

You also have to the possiblity to fetch comments for each documents (if there
are some present). Just use the -n (or --comments) parameter and your comments
will be automatically fetched and stored in the same directory as your output
directory (with a trailing _comments.txt added to the original filename). If
you already fetched all your files, but forgot the comments, you can add the 
"--commentsonly" parameter to your download job and it will only fetch the 
comments and store them into the output directory.

If you want to fetch only documents within a specific timeframe, you can use
the following two parameters:

	-s or --startdate <date in UTC>
	-e or --enddate <date in UTC>

The specified date has to be UTC. If you leave the start date it will use the
start of the UNIX epoch time (1970-01-01 00:00:00) and if you leave out the
end date it will use the current time.

When downloading files from your Ipernity account IperBackup will skip files which 
are already present in your local output directory. If you want those files downloaded 
anyhow use the following switch to have IperBackup add a timestamp to the original 
file name and place it in your local directory
	-ts or --timestamp

By default IperBackup will fetch the permissions (Ipernity-wise) for each
document and will store it in the filename. The permission string will be
stored in the beginning of the filename. The result will look something
like this: 
	perm_public-<original filename> for public files,
	perm_private-<original filename> for only private,
	perm_familyonly-<original filename> for private + family,
	perm_friendonly-<original filename> for private + friends,
	perm_familyandfriend-<original filename> for private + family + friends.
You can disable this behaviour by using this switch:

	-p or --nopermission

Thus the file will be saved with their original filename.

That's all. Have fun using it!

Comments and critics are always welcome at: doomy@pebcak.de