webenv {reutils} | R Documentation |
Retrieve the Web environment string returned from an ESearch, EPost or ELink call.
NA
if the History server was not used.
webenv(x, ...)
## S4 method for signature 'epost'
webenv(x, ...)
## S4 method for signature 'entrez_uid'
webenv(x, ...)
## S4 method for signature 'esearch'
webenv(x, ...)
x |
An |
... |
Further arguments passed on to methods. |
A character string or NA
.
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.
einfo
, esearch
, esummary
,
efetch
, elink
, epost
,
egquery
, espell
, ecitmatch
.
## Not run:
e <- esearch("Mus musculus", "taxonomy", usehistory = TRUE)
webenv(e)
## End(Not run)