NAME

       archive-pmc - maintain a local NCBI PubMed Central archive

SYNOPSIS

       archive-pmc     [[-]download]    [[-]verify]    [[-]missing]    [[-]daily|[-][re]index]    [[-]stem[med]]
       [[-]clean|[-]clear|[-]scrap|[-]scrub|[-]scour|[-]erase|[-]zap] [-info] [-ftp|-http[s]]

DESCRIPTION

       archive-pmc prepares a directory to hold a local PubMed Central archive, then downloads a  full  database
       dump from NCBI's servers, organizes the dump into an rchive(1) trie, and refreshes the versioned records.

OPTIONS

       [-]download
              Download the dump but perform no further processing.

       [-]verify
              Verify that all downloaded files are in good shape.

       [-]missing
              Check for missing downloads.

       [-]daily
              Additionally produce or update an inverted index.

       [-][re]index
              Fully reindex, complete with an inverted index.

       [-]stem[med]
              Additionally index unsuffixed variants of terms.

       [-]clean|[-]clear
              Delete Indices contents and Increment files.

       [-]scrap
              Delete Postings directories.

       [-]scrub
              Delete Indices contents, Increment files, and Postings directories.

       [-]scour
              Delete Indices contents, Increment files, and Postings, Data, Archive, and Sentinel directories.

       [-]erase
              Delete  Indices  contents, Increment files, Postings, Data, Archive, and Sentinel directories, and
              Extras directory contents.

       [-]zap Delete entire archive.

       -info  Check whether the archive is complete and up to date; report what's wrong if it isn't.

       -ftp   Download needed data via FTP (default).

       -http[s]
              Download needed data via HTTPS.

ENVIRONMENT

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

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

SEE ALSO

       archive-nihocc(1),    archive-nlmnlp(1),    archive-nmcds(1),     archive-pids(1),     archive-pubmed(1),
       archive-taxonomy(1),  download-pmc(1),  pm-clean(1),  pm-prepare(1),  pm-setup(1),  nquire(1), rchive(1),
       xfetch(1), xfilter(1), xinfo(1), xlink(1), xsearch(1).  xtract(1).

NCBI                                               2025-05-26                                     ARCHIVE-PMC(1)