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Set the locales for sorting and date formats to I<XXX>.

=back

B<album> can read values for settings from configuration files.
Settings can be set as in C<info.dat>, the leading exclamation mark is
optional in this case. By default, the configuration files used are
C<.albumrc> in the current directory, and C<.albumrc> in the user's
home directory. The order of precedence is:

=over

=item 1. command line options

=item 2. C<info.dat>

=item 3. user config file C<.albumrc> in current directory

=item 4. user config file C<.albumrc> in the home directory

=back

Environment variable ALBUMCONFIG can be used to designate user
config files. It should be set to a colon-separated list of file names
to be processed in order of precedence.

=head2 Importing new images

An important feature of 'album' is importing new images from an
external source. For example, you can import new images from a CD-ROM,
or from a digital camera.

Assuming you mounted a CD-ROM with new images, execute 'album' as
follows:

  $ album -v --import /mnt/cdrom --update
  Updating info.dat
  Number of entries = 9 (2 added)
  .......[7]
  im030.jpg: copy medium thumbnail OK
  im031.jpg: copy medium thumbnail OK
  Creating pages for 9 images
  (Needed to write 18 image pages)
  Creating pages for 1 index
  (Needed to write 1 index page)

Two new images were found on the CD-ROM, copied to the 'large'
directory, and processed as usual. 'info.dat' has been updated with
the new entries. Note that images found on the CD-ROM that already
exist in 'large' (i.e., have the same name) are skipped.

=head2 Using EXIF information

When importing images from a digital camera, 'album' can use the EXIF
information that is present in these files:

=over 4

=item *

it will use the time stamp rename it to YYYYMMDDhhmmssSSSS (where SSSS
is a sequence number);

=item *

it will set the modification time of the file to the time stamp;

=item *

while copying the image, it will be rotated if necessary,
according to the 'orientation' property in the EXIF information.

=back

To enable EXIF processing, add the B<--exif> command line option, or
specify the import directory with B<--dcim> instead of B<--import>:

  $ ls -l /mnt/camera/dcim/101msdcf
  -rwxr-xr-x 1 jv jv 2347808 Jun 25 12:08 /mnt/camera/dcim/101msdcf/dsc00052.jpg
  -rwxr-xr-x 1 jv jv 1327475 Jun 25 12:05 /mnt/camera/dcim/101msdcf/dsc00053.jpg
  $ album -v --dcim /mnt/camera/dcim/101msdcf --update
  Updating info.dat
  Number of entries = 11 (2 added)
  .........[ 9]
  200405171843310052.jpg: link medium thumbnail OK
  200405171845030053.jpg: copy rotate medium thumbnail OK
  Creating pages for 11 images
  (Needed to write 22 image pages)
  Creating pages for 1 index
  (Needed to write 1 index page)

The file 'dsc00052.jpg' has now been imported as
'200405171843310052.jpg'. 'album' tries to link to the image, if that
is not possible, the image will be coped. File 'dsc00053.jpg' must be
rotated, so it will always be a copy.

If you hover the mouse over the file name in the index page, or over
the title on the image pages, a pop-up will show a selection of
information from the EXIF data.

=head2 Embedding other albums

In the file 'info.dat' you can also enter names of HTML documents to
refer to arbitrary other information you want to include in your
album. You can use this to embed (more precisely: refer to) other
albums. For example:

  20040910/index.html  Pictures of an exhibition

This will store in the album a reference to another album. If at the
given location a file 'icon.jpg' exists, this will be used in the
album as thumbnail image. To generate a sample icon for an album to be
included, run the album program with command line option --icon.

The reference will only be present on the index pages. When following
the 'previous' and 'next' links of image pages, these references will
be skipped.

Note that when you click on an external reference thumbnail, a new
browser window will be opened to show the referenced information.