NAME

       custom-index - add a custom index to a local NCBI Entrez archive

SYNOPSIS

       custom-index helper field ...

DESCRIPTION

       custom-index  adds  a custom index for one or more specified fields to a local NCBI Entrez
       Archive on the basis of a supplied helper command that produces an Entrez-style XML index.
       On Debian systems, some such helpers are /usr/share/doc/ncbi-entrez-direct/examples/idx-*.

OPTIONS

       helper Helper command into which to pipe each uncompressed document.

       field  Name of a field being indexed (e.g., ANUM).

ENVIRONMENT

       EDIRECT_PUBMED_MASTER
              Local archive directory to use; expected to hold an absolute path.

       EDIRECT_PUBMED_WORKING
              Directory  to  hold  intermediate  subtrees;  expected  to  hold  an absolute path.
              Defaults to the local archive directory when not set.

SEE ALSO

       index-extras(1), index-pubmed(1), rchive(1), xtract(1).