webenv: webenv

Description Usage Arguments Value Methods (by class) See Also Examples

Description

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

Usage

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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

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

## End(Not run)


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