easyPubMed (version 3.1.6)

EPM_efetch_basic_q: Submit a Query to the NCBI EFetch Server.

Description

Submit a Query to the NCBI EFetch Server and capture the response.

Usage

EPM_efetch_basic_q(params)

Value

Character vector including the response from the server.

Arguments

params

List including the information for querying the NCBI EFetch Server.

Author

Damiano Fantini,

Details

The input list must include the elements listed below.

• `web_env`. String, unique value returned by the NCBI ESearch server.

• `format`. String corresponding to the desired response data format (e.g., "xml").

• `query_key`. Integer, key value returned by the NCBI ESearch server.

• `retstart`. Integer, numeric index of the first record to be request.

• `retmax`. Integer, maximum number of records to be retrieved from the server.

• `encoding`. String, encoding of the data (e.g., "UTF-8").

References

https://www.data-pulse.com/dev_site/easypubmed/

Examples

# Note: a time limit can be set in order to kill the operation when/if 
# the NCBI/Entrez server becomes unresponsive.
setTimeLimit(elapsed = 4.9)
try({
  x <- easyPubMed:::EPM_esearch_basic_q(params = list(q = "easyPubMed"))
  x <- easyPubMed:::EPM_esearch_parse(x)
  my_params <- list(web_env = x$web_env, 
                    query_key = x$query_key, 
                    format = "uilist")
  easyPubMed:::EPM_efetch_basic_q(params = my_params)
}, silent = TRUE)
setTimeLimit(elapsed = Inf)