lares (version 5.1.2)

try_require: Check if Specific Package is Installed

Description

This function checks library dependencies

Usage

try_require(package, stop = TRUE)

Value

No return value, called for side effects.

Arguments

package

Character. Name of the library

stop

Boolean. Stop if not installed. If FALSE and library is not available, warning will be shown.

See Also

Other Tools: autoline(), bind_files(), bring_api(), db_download(), db_upload(), export_plot(), export_results(), get_credentials(), h2o_predict_API(), h2o_predict_MOJO(), h2o_predict_binary(), h2o_predict_model(), h2o_selectmodel(), haveInternet(), image_metadata(), importxlsx(), ip_data(), json2vector(), listfiles(), mail_send(), msplit(), myip(), quiet(), read.file(), statusbar(), tic(), updateLares(), zerovar()

Examples

# Check if library base is installed. If not, stop and show error
try_require("base", stop = TRUE)
# Check if library xxx is installed. If not, show warning
try_require("xxx", stop = FALSE)