NAME

       efilter - filter and/or sort NCBI Entrez search results

SYNOPSIS

       efilter  (efetch  -filter) [-help] [-query str] [-sort field] [-days N] [-datetype field] [-mindate date]
       [-maxdate date]  [-field field]  [-pairs field]  [-spell]  [-pub type]  [-feature type]  [-location type]
       [-molecule type] [-organism type] [-source type] [-status alive] [-type type] [-label name]

DESCRIPTION

       efilter filters and/or sorts results from a previous edirect(1) search.

OPTIONS

   Query Specification
       -query str
              Limit results to those matching the given query string.

   Document Order
       -sort field
              Sort results by the given field.

   Date Constraint
       -days N
              Keep only results from the past N days.

       -datetype field
              Which date field (in abbreviated form) to consider.

       -mindate date
              Start of date range.

       -maxdate date
              End of date range.

   Limit by Field
       -field field
              Query words individually in field.

       -pairs field
              Query overlapping word pairs.

   Spell Check
       -spell Correct misspellings in query.

   Publication Filters
       -pub type
              abstract,   clinical,  english,  free,  historical,  journal,  last_week,  last_month,  last_year,
              preprint, review, structured.

   Sequence Filters
       -feature type
              gene, mrna, cds, mat_peptide, ...

       -location type
              mitochondrion, chloroplast, plasmid, plastid.

       -molecule type
              genomic, mrna, trna, rrna, ncrna.

       -organism type
              animals, archaea, bacteria, eukaryotes,  fungi,  human,  insects,  mammals,  plants,  prokaryotes,
              protists, rodents, viruses.

       -source type
              genbank, insd, pdb, pir, refseq, swissprot, tpa

   Gene Filters
       -status alive

       -type type
              coding, pseudo.

   Miscellaneous Arguments
       -help  Print usage information.

       -label name
              Alias for query step.

SEE ALSO

       edirect(1).

NCBI                                               2017-10-05                                         EFILTER(1)