entrez_fetch

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Entrez fetch

Wrapper for rentrez::entrez_fetch.

Usage
entrez_fetch(db, id = NULL, rettype, retmode = "", ...)
Arguments
db

character, name of the database

id

vector, unique ID(s) for record(s)

rettype

character, data format

retmode

character, data mode

...

Arguments to be passed on to rentrez

Details

Attempts to first search local database with user-specified parameters, if the record is missing in the database, the function then calls rentrez::entrez_fetch to search GenBank remotely.

rettype='fasta' and rettype='gb' are respectively equivalent to gb_fasta_get and gb_record_get.

Value

character string containing the file created

Note

It is advisable to call restez and rentrez functions with '::' notation rather than library() calls to avoid namespace issues. e.g. restez::entrez_fetch().

Supported return types and modes

XML retmode is not supported. Rettypes 'seqid', 'ft', 'acc' and 'uilist' are also not supported.

See Also

entrez_fetch

Aliases
  • entrez_fetch
Examples
# NOT RUN {
library(restez)
restez_path_set(tempdir())
demo_db_create(n = 5)
restez_connect()
# return fasta record
fasta_res <- entrez_fetch(db = 'nucleotide',
                          id = c('demo_1', 'demo_2'),
                          rettype = 'fasta')
cat(fasta_res)
# return whole GB record in text format
gb_res <- entrez_fetch(db = 'nucleotide',
                       id = c('demo_1', 'demo_2'),
                       rettype = 'gb')
cat(gb_res)
# NOT RUN
# whereas these request would go through rentrez
# fasta_res <- entrez_fetch(db = 'nucleotide',
#                           id = c('S71333', 'S71334'),
#                           rettype = 'fasta')
# gb_res <- entrez_fetch(db = 'nucleotide',
#                        id = c('S71333', 'S71334'),
#                        rettype = 'gb')

# delete demo after example
db_delete(everything = TRUE)
# }
Documentation reproduced from package restez, version 1.0.0, License: MIT + file LICENSE

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