| getAnnotationHubOption {AnnotationHub} | R Documentation |
These functions get or set options for creation of new ‘AnnotationHub’ instances.
getAnnotationHubOption(arg) setAnnotationHubOption(arg, value)
arg |
The character(1) hub options to set. see ‘Details’ for current options. |
value |
The value to be assigned to the hub option. |
Supported options include:
character(1). The base URL of the annotation hub. Default: https://annotationhub.bioconductor.org
character(1). The location of the hub cache. Default: “.AnnotationHub” in the user home directory.
numeric(1). The integer number of downloads allowed before triggering an error. This is to help avoid accidental download of a large number of AnnotationHub members.
request object returned by
httr::use_proxy(). The request object describes a proxy
connection allowing Internet access, usually through a restrictive
firewall. Setting this option sends all AnnotationHub requests through
the proxy. Default: NULL.
In setHubOption("PROXY", value), value can be one of NULL,
a request object returned by httr::use_proxy(), or a
well-formed URL as character(1). The URL can be completely
specified by http://username:password@proxy.dom.com:8080;
username:password and port (e.g. :8080) are optional.
Default values may also be determined by system and global R
environment variables visible before the package is loaded. Use
options or variables preceeded by “ANNOTATION_HUB_”, e.g.,
options(ANNOTATION_HUB_MAX_DOWNLOADS=10) prior to package load
sets the default number of downloads to 10.
The requested or successfully set option.
Martin Morgan mtmorgan@fhcrc.org
getAnnotationHubOption("URL")
## Not run:
setAnnotationHubOption("CACHE", "~/.myHub")
## End(Not run)