NAME

       yaz-marcdump - MARC record dump utility

SYNOPSIS

       yaz-marcdump [-i format] [-o format] [-f from] [-t to] [-l spec] [-c cfile] [-s prefix] [-C size]
                    [-O offset] [-L limit] [-n] [-p] [-r] [-v] [-V] [file...]

DESCRIPTION

       yaz-marcdump reads MARC records from one or more files. It parses each record and supports output in
       line-format, ISO2709, MARCXML[1], MARC-in-JSON[2], MarcXchange[3] as well as Hex output.

       This utility parses records ISO2709(raw MARC), line format, MARC-in-JSON format as well as XML if that is
       structured as MARCXML/MarcXchange.

       MARC-in-JSON encoding/decoding is supported in YAZ 5.0.5 and later.

           Note

           As of YAZ 2.1.18, OAI-MARC is no longer supported. OAI-MARC is deprecated. Use MARCXML instead.

       By default, each record is written to standard output in a line format with newline for each field, $x
       for each sub-field x. The output format may be changed with option -o,

       yaz-marcdump can also be requested to perform character set conversion of each record.

OPTIONS

       -i format
           Specifies input format. Must be one of marcxml, marc (ISO2709), marcxchange (ISO25577), line (line
           mode MARC), turbomarc (Turbo MARC), or json (MARC-in-JSON).

       -o format
           Specifies output format. Must be one of marcxml, marc (ISO2709), marcxchange (ISO25577), line (line
           mode MARC), turbomarc (Turbo MARC), or json (MARC-in-JSON).

       -f from
           Specify the character set of the input MARC record. Should be used in conjunction with option -t.
           Refer to the yaz-iconv man page for supported character sets.

       -t to
           Specify the character set of the output. Should be used in conjunction with option -f. Refer to the
           yaz-iconv man page for supported character sets.

       -l leaderspec
           Specify a simple modification string for MARC leader. The leaderspec is a list of pos=value pairs,
           where pos is an integer offset (0 - 23) for leader. Value is either a quoted string or an integer
           (character value in decimal). Pairs are comma separated. For example, to set leader at offset 9 to a,
           use 9='a'.

       -s prefix
           Writes a chunk of records to a separate file with prefix given, i.e. splits a record batch into files
           with only at most "chunk" ISO2709 records per file. By default chunk is 1 (one record per file). See
           option -C.

       -C chunksize
           Specifies chunk size; to be used conjunction with option -s.

       -O offset
           Integer offset for at what position records whould be written. 0=first record, 1=second, .. With -L
           option, this allows a specific range of records to be processed.

       -L limit
           Integer limit for how many records should at most be written. With -O option, this allows a specific
           range of records to be processed.

       -p
           Makes yaz-marcdump print record number and input file offset of each record read.

       -n
           MARC output is omitted so that MARC input is only checked.

       -r
           Writes to stderr a summary about number of records read by yaz-marcdump.

       -v
           Writes more information about the parsing process. Useful if you have ill-formatted ISO2709 records
           as input.

       -V
           Prints YAZ version.

EXAMPLES

       The following command converts MARC21/USMARC in MARC-8 encoding to MARC21/USMARC in UTF-8 encoding.
       Leader offset 9 is set to 'a'. Both input and output records are ISO2709 encoded.

               yaz-marcdump -f MARC-8 -t UTF-8 -o marc -l 9=97 marc21.raw >marc21.utf8.raw

       The same records may be converted to MARCXML instead in UTF-8:

               yaz-marcdump -f MARC-8 -t UTF-8 -o marcxml marc21.raw >marcxml.xml

       Turbo MARC is a compact XML notation with same semantics as MARCXML, but which allows for faster
       processing via XSLT. In order to generate Turbo MARC records encoded in UTF-8 from MARC21 (ISO), one
       could use:

               yaz-marcdump -f MARC8 -t UTF8 -o turbomarc -i marc marc21.raw >out.xml

FILES

       prefix/bin/yaz-marcdump

       prefix/include/yaz/marcdisp.h

SEE ALSO

       yaz(7)

       yaz-iconv(1)

AUTHORS

       Index Data

NOTES

        1. MARCXML
           https://www.loc.gov/standards/marcxml/

        2. MARC-in-JSON
           https://rossfsinger.com/blog/2010/09/a-proposal-to-serialize-marc-in-json/

        3. MarcXchange
           https://www.loc.gov/standards/iso25577/

YAZ 5.34.4                                         05/21/2025                                    YAZ-MARCDUMP(1)