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# stri_dup: Duplicate Strings

## Description

Duplicates each `str`(`e1`) string `times`(`e2`) times and concatenates the results.

## Usage

    stri_dup(str, times)

    e1 %s*% e2

    e1 %stri*% e2

## Arguments

`str`, `e1` | a character vector of strings to be duplicated
`times`, `e2` | an integer vector with the numbers of times to duplicate each string

## Details

Vectorized over all arguments.

`e1 %s*% e2` and `e1 %stri*% e2` are synonyms for `stri_dup(e1, e2)`

## Value

Returns a character vector.

## Author(s)

Marek Gagolewski and other contributors

## See Also

The official online manual of stringi at https://stringi.gagolewski.com/

Gagolewski M., stringi: Fast and portable character string processing in R, Journal of Statistical Software 103(2), 2022, 1-59, doi:10.18637/jss.v103.i02

Other join: `%s+%()`, `stri_flatten()`, `stri_join()`, `stri_join_list()`

## Examples

    stri_dup('a', 1:5)
    ## [1] "a"     "aa"    "aaa"   "aaaa"  "aaaaa"
    stri_dup(c('a', NA, 'ba'), 4)
    ## [1] "aaaa"     NA         "babababa"
    stri_dup(c('abc', 'pqrst'), c(4, 2))
    ## [1] "abcabcabcabc" "pqrstpqrst"
    "a" %s*% 5
    ## [1] "aaaaa"