Provided by: ncbi-entrez-direct_14.6.20210224+dfsg-5ubuntu0.3_amd64 

NAME
pm-index - index a local NCBI PubMed archive
SYNOPSIS
pm-index dir
DESCRIPTION
pm-index indexes the compressed NCBI PubMed XML files in the current directory, producing corresponding compressed index files in dir.
SEE ALSO
archive-pubmed(1), download-pubmed(1), index-pubmed(1), pm-collect(1), pm-invert(1), xtract(1).