reutils (version 0.1.1)

querykey,epost-method: querykey

Description

An integer query key returned by an ESearch, EPost or ELink call if the History server was used. Otherwise NA.

Usage

## S3 method for class 'epost':
querykey(x, ...)
## S3 method for class 'entrez_uid':
querykey(x, ...)
## S3 method for class 'esearch':
querykey(x, ...)
querykey(x, ...)

Arguments

x

An eutil object.

...

Further arguments passed on to methods.

Value

• An integer or NA.

See Also

einfo, esearch, esummary, efetch, elink, epost, egquery, espell, ecitmatch.

Examples

e <- esearch("Mus musculus", "taxonomy", usehistory = TRUE)
querykey(e)