webenv {reutils}

webenv

Description

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

Usage

webenv(x, ...)

## S4 method for signature 'epost'
webenv(x, ...)

## S4 method for signature 'entrez_uid'
webenv(x, ...)

## S4 method for signature 'esearch'
webenv(x, ...)

Arguments

x

An eutil object.

...

Further arguments passed on to methods.

Value

A character string or NA.

Methods (by class)

• epost: Retrieve the webenv string from an epost object.

• entrez_uid: Retrieve the webenv string from an entrez_uid object.

• esearch: Retrieve the webenv string from an esearch object.

See Also

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

Examples

## Not run: 
e <- esearch("Mus musculus", "taxonomy", usehistory = TRUE)
webenv(e)

## End(Not run)