item_exists: check if identifier touple already exists on SB

In USGS-R/sbtools: USGS ScienceBase Tools

check if identifier touple already exists on SB

Description

returns TRUE if touple already belongs to a sciencebase item, FALSE if not

Usage

item_exists(scheme, type, key, ...)

Arguments

scheme	the identifier scheme
type	the identifier type
key	the identifier key
...	Additional parameters are passed on to GET

Value

boolean for whether item exists

Examples

## Not run: 
item_exists('mda_streams','ts_doobs','nwis_01018035')
item_exists('mda_streams','site_root','nwis_01018035')

## End(Not run)

USGS-R/sbtools documentation built on June 1, 2024, 9:47 p.m.