Man pages sections > man1 > edirect

edirect - access NCBI Entrez from the command line

EDIRECT(1) NCBI Entrez Direct User's Manual EDIRECT(1)


edirect - access NCBI Entrez from the command line


edirect -version
esearch (edirect -search) options
elink (edirect -link) options
efilter (edirect -filter) options
esummary (edirect -summary) options
efetch (edirect -fetch) options
einfo (edirect -info) options
epost (edirect -post) options
espell (edirect -spell) options
ecitmatch (edirect -citmatch) options
eproxy (edirect -proxy) options
econtact (edirect -contact) options
enotify (edirect -notify) options
eaddress (edirect -address) options


edirect (Entrez Direct) is a command-line utility for consulting NCBI's set of interconnected databases (publication, sequence, structure, gene, variation, expression, etc.) in a variety of fashions, each of which is documented individually in a dedicated man page.


Most subcommands accept the following options, in addition to command-specific options.
Print usage information.
-email address
Send the given e-mail address to have someone to notify in case a runaway script causes problems with an NCBI Entrez server.
-tool name
Send the given client name.
Force the use of GET rather than POST HTTPS requests.
-alias filename
Specify a file of shortcut keywords and query strings or URL sections.
Suppress connection failure retry messages.
Display the ENTREZ_DIRECT XML field values at each step.
Print the internal URL query and XML results of each step.
-base URL
Specify a particular server for quality assurance testing.


eaddress(1), ecitmatch(1), econtact(1), efetch(1), efilter(1), einfo(1), elink(1), enotify(1), entrez-phrase-search(1), epost(1), eproxy(1), esearch(1), espell(1), esummary(1), nquire(1), xtract(1).
2017-01-24 NCBI