Get path to bulletchartr example files

bulletchartr comes bundled with a number of sample files in its `inst/extdata` directory. This function make them easy to access. Taken from 'readr' package.

read_example(path = NULL)

Arguments

path	Name of file. If `NULL`, the example files will be listed.

Examples

read_example()
#> [1] "bc_ex.rda"                    "bc_ex_TC.rda"                
#> [3] "Indicators_Targets.xlsx"      "Indicators_Targets_ext.xlsx" 
#> [5] "Indicators_Targets_full.xlsx" "test.xlsx"                   
read_example("Indicators_Targets.xlsx")
#> [1] "C:/Users/Ryo Nakagawara/AppData/Local/Temp/RtmpG2A97b/temp_libpath2a8468de7c77/bulletchartr/extdata/Indicators_Targets.xlsx"