## Not run:
# col_ping()
# col_ping("content")
# col_ping(200)
# col_ping("200")
# col_ping(204)
#
# itis_ping()
# eol_ping()
# ncbi_ping()
# tropicos_ping()
# nbn_ping()
#
# gbif_ping()
# gbif_ping(200)
#
# bold_ping()
# bold_ping(200)
# bold_ping("content")
#
# ipni_ping()
# ipni_ping(200)
# ipni_ping("content")
#
# vascan_ping()
# vascan_ping(200)
# vascan_ping("content")
#
# # curl options
# library("httr")
# vascan_ping(config=verbose())
# eol_ping(500, config=verbose())
# ## End(Not run)
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