bibzbladd  [-f] [-o output] bib_file

       -f  Force searching for Zbl numbers even if the entry already has one.

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

       The script reads a BibTeX file.  It checks whether the entries have
       Zbls.  If not, tries to contact internet to get the numbers.  The
       result is a BibTeX file with the fields "zblnumber=..." added.

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

       Boris Veytsman

       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
       <>.  There is NO WARRANTY, to the
       extent permitted by law.

                                  2016-02-14                      bibzbladd(1)
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