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Check Package Availability

Source: R/general_package_functions.R
check_packages.Rd

Verifies that all specified packages are available in the current R environment. If any packages are missing, the function throws an error with a list of the missing packages.

Usage

check_packages(packages = NULL, ...)

Arguments

packages

Character vector. Names of packages to check for availability. Default is NULL.

...

Additional arguments passed to stop_ctx().

Value

Invisibly returns NULL if all packages are available. Otherwise, throws an error via stop_ctx().

Details

The function uses requireNamespace() with quietly = TRUE to check if each package can be loaded. If one or more packages are not available, an error message is generated listing all missing packages.

Author

Ahmed El-Gabbas

Examples

# Check if packages are available
check_packages(c("dplyr", "ggplot2"))

# Will throw an error if packages are missing
try(check_packages("nonexistent_package"))
#> Error in check_packages("nonexistent_package") : 
#>   The following required packages are missing: nonexistent_package. Please install them to proceed.