TAGS
----
Sets and displays the properties of a file, that stored in a special index file in the same folder.
The program does not modify any files except its index file!
See showHelp() in main.c for details.

EXAMPLES
-------

    $ cd my_photo
    $ tags -c
    Initialization...
    Ok

    $ tags -s tag=animals@year=2013 *.jpg
    Information was added for 4 files

    $ tags -a tag=cat photo1.jpg photo2.jpg
    Information was updated for 2 files

    $ tags -a tag=dog photo3.jpg
    Information was updated for 1 files

    $ tags -a tag=fox photo4.jpg
    Information was updated for 1 files

    $ tags -a tag=pets -w tag=cat,dog *.jpg
    Information was updated for 3 files

    $ tags -l
    photo1.jpg
    photo3.jpg
    photo4.jpg
    photo2.jpg

    $ tags -l -w tag=dog,fox
    photo3.jpg
    photo4.jpg

    $ tags -d year photo1.jpg
    Information was updated for 1 files

    $ tags -l -w tag=cat -f @FileName,year
    photo1.jpg	-
    photo2.jpg	2013

    $ tags -l -w year -f @FileName,@FileSize,year
    photo3.jpg	2089322	2013
    photo4.jpg	2130072	2013
    photo2.jpg	2271426	2013

    $ tags -l -w year= -f @FileSize,@FileName
    2059851	photo1.jpg

    $ tags -p
    tag	4
      tag=dog	1
      tag=fox	1
      tag=cat	2
      tag=pets	3
      tag=animals	4
    year	3
      year=2013	3

   $ cat tags.info

!tags-info
!version=0.1
!format=simple

[2059851:23294b67e1709a54d8842d9c69cc3e79bda68711]
!FileName=photo1.jpg
tag=animals,cat,pets

[2089322:12e80aa26d5c507bd0bf5bcc621f500a6009582c]
!FileName=photo3.jpg
tag=animals,dog,pets
year=2013

[2130072:882f5fd53bbde4b0df78586418f28164455ddcb7]
!FileName=photo4.jpg
tag=animals,fox
year=2013

[2271426:21bfbceac90ef9241fb3c0f48cfc4deabb0881a0]
!FileName=photo2.jpg
tag=animals,cat,pets
year=2013