Turn a label into a file name stem

Lower case, with every run of characters other than letters and digits replaced by a hyphen, so that "S&P 500" becomes "s-p-500".

Usage

file_stem(label)

Arguments

label

Character string, such as an index label.

Value

A character string that can be used in a file name.

Examples

golemstockindices:::file_stem("S&P 500")
#> [1] "s-p-500"