Man pages for MangoTheCat/pkgsnap
Backup and Restore CRAN Package Versions
| 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 |
