Add leading zeros to a numeric sequence

Add n leading zeros to a numeric sequence. This is useful to create a character vector to rename files in a folder.

Usage

leading_zeros(x, n = 3)

Arguments

x

A numeric vector or a list of numeric vectors.

n

The number of leading zeros to add. Defaults to 3.

Value

A character vector or a list of character vectors.

Examples

library(pliman)
leading_zeros(1:5)
#> [1] "001" "002" "003" "004" "005"
leading_zeros(list(a = 1:3,
                   b = 1:5),
              n = 2)
#> $a
#> [1] "01" "02" "03"
#> 
#> $b
#> [1] "01" "02" "03" "04" "05"
#>