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NAME

       bibdoiadd.pl - add DOI numbers to papers in a given bib file

SYNOPSIS

       bibdoiadd [-c config_file] [-f] [-o output] bib_file

OPTIONS

       -c config_file
           Configuration file.  If this file is absent, some defaults are used.  See below for
           its format.

       -f  Force checking doi number even if one is present

       -o output
           Output file.  If this option is not used, the name for the output file is formed by
           adding "_doi" to the input file

DESCRIPTION

       The script reads a BibTeX file.  It checks whether the entries have DOIs.  If now, tries
       to contact http://www.crossref.org to get the corresponding DOI.  The result is a BibTeX
       file with the fields "doi=..." added.

       The name of the output file is either set by the -o option or is derived by adding the
       suffix "_doi" to the output file.

       There are two options for making queries with Crossref: free account and paid membership.
       In the first case you still must register with Crossref and are limited to a small number
       of queries, see the agreement at
       "http://www.crossref.org/01company/free_services_agreement.html".  In the second case you
       have a username and password, and can use them for automatic queries.  I am not sure
       whether the use of this script is allowed for the free account holders.  Anyway if you try
       to add DOI to a large number of entries, you should register as a paid member.

CONFIGURATION FILE

       The configuration file is mostly self-explanatory: it has comments (starting with "#") and
       assginments in the form

          $field = value ;

       The important parameters are $mode ('free' or 'paid', $email (for free users) and
       $username & $password for paid members.

EXAMPLES

          bibdoiadd -c bibdoiadd.cfg citations.bib > result.bib
          bibdoiadd -c bibdoiadd.cfg citations.bib -o result.bib

AUTHOR

       Boris Veytsman

COPYRIGHT AND LICENSE

       Copyright (C) 2014-2016  Boris Veytsman

       This is free software.  You may redistribute copies of it under the terms of the GNU
       General Public License <http://www.gnu.org/licenses/gpl.html>.  There is NO WARRANTY, to
       the extent permitted by law.

                                            2016-02-14                               bibdoiadd(1)