reutils (version 0.1.1)

webenv,epost-method: webenv

Description

Retrieve the Web environment string returned from an ESearch, EPost or ELink call. NA if the History server was not used.

Usage

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

Arguments

x

An eutil object.

...

Further arguments passed on to methods.

Value

• A character string or NA.

See Also

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

Examples

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