This function returns a character vector listing all the functions available in the specified R package. It first checks if the package is installed and can be loaded; if not, it raises an error.
Examples
str(package_functions(package = "raster"))
#> chr [1:281] "%in%" "Arith" "Compare" "Geary" "GearyLocal" "KML" "Logic" ...
str(package_functions(package = "sf"))
#> chr [1:156] "%>%" "FULL_bbox_" "NA_agr_" "NA_bbox_" "NA_crs_" ...
package_functions(package = "ecokit")
#> [1] "%>%" "add_cross_to_grid"
#> [3] "add_diagonals_to_grid" "add_image_to_plot"
#> [5] "add_line" "add_missing_columns"
#> [7] "all_objects_sizes" "arrange_alphanum"
#> [9] "assign_env_vars" "assign_from_options"
#> [11] "assign_if_not_exist" "bash_variables"
#> [13] "binned_heatmap" "boundary_to_wkt"
#> [15] "cat_diff" "cat_names"
#> [17] "cat_sep" "cat_time"
#> [19] "cc" "check_args"
#> [21] "check_data" "check_env_file"
#> [23] "check_feather" "check_gbif"
#> [25] "check_image" "check_packages"
#> [27] "check_qs" "check_quarto"
#> [29] "check_rdata" "check_rds"
#> [31] "check_rstudio" "check_stack_in_memory"
#> [33] "check_system_command" "check_tiff"
#> [35] "check_url" "check_zip"
#> [37] "chelsa_var_info" "clear_console"
#> [39] "clip_raster_by_polygon" "detect_alias"
#> [41] "dir_size" "extract_options"
#> [43] "file_extension" "file_size"
#> [45] "file_type" "find_duplicates"
#> [47] "format_number" "function_arguments"
#> [49] "get_chelsa_links" "get_mode"
#> [51] "get_option_with_default" "git_log"
#> [53] "ht" "info_chunk"
#> [55] "integer_breaks" "keep_only"
#> [57] "lapply_" "list_to_rdata"
#> [59] "load_as" "load_multiple"
#> [61] "load_packages" "load_packages_future"
#> [63] "load_tar_file" "loaded_packages"
#> [65] "maxent_open" "maxent_variable_importance"
#> [67] "n_decimals" "n_unique"
#> [69] "nc_global_attributes" "nearest_dist_sf"
#> [71] "normalize_path" "os"
#> [73] "package_functions" "package_remote_sha"
#> [75] "pak_from_renv" "parent_dir"
#> [77] "polygon_centroid" "quiet_device"
#> [79] "quietly" "range_to_new_value"
#> [81] "raster_dims_km" "raster_to_pres_abs"
#> [83] "record_arguments" "reload_package"
#> [85] "remove_options" "rename_geometry"
#> [87] "replace_space" "sapply_"
#> [89] "save_as" "save_multiple"
#> [91] "save_session" "save_session_info"
#> [93] "scale_0_1" "scrape_link"
#> [95] "script_location" "set_geometry"
#> [97] "set_parallel" "set_raster_crs"
#> [99] "sf_add_coords" "source_silent"
#> [101] "split_df_to_chunks" "split_raster"
#> [103] "split_vector" "stop_ctx"
#> [105] "system_command" "text_to_coordinates"
#> [107] "tibble_column_size" "used_packages"
#> [109] "write_nc" "zenodo_download_file"
#> [111] "zenodo_file_list"
# Error: package not found
try(package_functions(package = "non_exist"))
#> Error in package_functions(package = "non_exist") :
#> package not found
#>
#> ----- Metadata -----
#>
#> package [package]: <character>
#> non_exist