esearch
search an NCBI Entrez database
SYNOPSIS
esearch (edirect -search) [-help] -db name -query str [-sort field] [-days N] [-datetype field] [-mindate date] [-maxdate date] [-field field] [-pairs field] [-spell] [-label name]
DESCRIPTION
esearch searches an NCBI Entrez database for a given query.
OPTIONS
Query Specification
- -db name
- Entrez database name.
- -query str
- Query string.
Document Order
- -sort field
- Sort results by the given field.
Date Constraint
- -days N
- Return 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.
Miscellaneous Arguments
- -help
- Print usage information.
- -label name
- Alias for query step.