我正在尝试使用以下代码连接大字符向量（2.8 Gb）：
x <- paste(v, collapse = "\n")
错误消息：
粘贴错误（v，折叠=“ \ n”）：结果将超过2 ^ 31-1个字节
据我了解，这是由a limit R施加在单个对象上引起的。但是，我也读到R自3.0.0版以来就可以支持长向量，但无法弄清楚怎么做。我尝试增加环境变量R_MAX_VSIZE=32000000000（32 GB），但没有成功。
我正在运行带有64 GB RAM的Microsoft R Open 3.5.1。我完整的sessionInfo（）：
R version 3.5.1 (2018-07-02)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)
Matrix products: default
locale:
[1] LC_COLLATE=Swedish_Sweden.1252 LC_CTYPE=Swedish_Sweden.1252 LC_MONETARY=Swedish_Sweden.1252 LC_NUMERIC=C LC_TIME=Swedish_Sweden.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] forcats_0.3.0 stringr_1.3.1 dplyr_0.7.6 purrr_0.2.5 readr_1.2.0 tidyr_0.8.1 tibble_1.4.2 ggplot2_3.0.0 tidyverse_1.2.1
[10] data.table_1.11.9 RevoUtils_11.0.1 RevoUtilsMath_11.0.0
loaded via a namespace (and not attached):
[1] Rcpp_0.12.18 cellranger_1.1.0 pillar_1.3.0 compiler_3.5.1 plyr_1.8.4 bindr_0.1.1 tools_3.5.1 lubridate_1.7.4 jsonlite_1.5 nlme_3.1-137 gtable_0.2.0
[12] lattice_0.20-35 pkgconfig_2.0.1 rlang_0.2.1 cli_1.0.0 rstudioapi_0.7 yaml_2.2.0 haven_1.1.2 bindrcpp_0.2.2 withr_2.1.2 xml2_1.2.0 httr_1.3.1
[23] knitr_1.20 hms_0.4.2.9001 grid_3.5.1 tidyselect_0.2.4 glue_1.3.0 R6_2.2.2 readxl_1.1.0 modelr_0.1.2 magrittr_1.5 backports_1.1.2 scales_0.5.0
[34] rvest_0.3.2 assertthat_0.2.0 colorspace_1.3-2 stringi_1.2.4 lazyeval_0.2.1 munsell_0.5.0 broom_0.5.0 crayon_1.3.4