add_R_core | Add R version to package inventory |
check_R_core | Check listed R version against installed |
cran_file | Get a list of candidate URLs for a certain version of a... |
data_frame | Create a data frame, more robust than 'data.frame' |
default_cran_mirror | CRAN mirror to use |
dep_types | Dependency types in R DESCRIPTION files |
dir_exists | Check if a directory exists |
download_urls | Get download urls for a bunch of packages |
drop_internal | Drop base and recommended packages, and 'R' from a list of R... |
drop_missing_deps | Drop dependencies that were not included in the snapshot |
filename_from_url | Extract a file name from a package download URL |
get_deps | Extract (hard) package dependencies from an R package tarball |
get_description | Extract and read the DESCRIPTION file from an R package... |
get_package_sources | Check where a package was installed from |
get_pkg_type | What kind of packages to use by default. |
install_order | Topological order of the packages |
OR | LHS if not 'NULL', otherwise RHS |
parse_deps | Parse a DESCRIPTION dependency field |
pkg_download | Download R packages (or other files) |
pkg_from_filename | Extract the package name from a package tarball path or... |
restore | Restore (=install) certain CRAN package versions |
r_minor_version | Extract the minor version of the running R |
snap | Write installed package versions to a file |
str_trim | Trim whitespace from the beginning and end of a string |
try_download | Try to download a file |
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