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The package aims to allow the localization of external programs such as “python”, “Google Chrome”, “node.js” and “LibreOffice” in order to be able to easily call them from R.
This makes it easier to call these programs from R from various operating systems.
library(locatexec)
if(exec_available("node")){
message(exec_version("node"))
message(node_exec())
}
#> 12.16.0
#> C:/Program Files/nodejs/node.exe| exec | exec_fun | available | version | path |
|---|---|---|---|---|
| node | node_exec() |
TRUE | 12.16.0 | C:/Program Files/nodejs/node.exe |
| chrome | chrome_exec() |
TRUE | 89.0.4389.82 | C:/Program Files (x86)/Google/Chrome/Application/chrome.exe |
| python | python_exec() |
TRUE | 3.9.1 | C:/Users/dgohe/AppData/Local/Programs/Python/Python39/python.exe |
| libreoffice | libreoffice_exec() |
TRUE | 7.1.0.3 | C:/Program Files/LibreOffice/program/soffice.com |
| excel | excel_exec() |
TRUE | 16 | C:/Program Files/Microsoft Office/root/Office16/EXCEL.exe |
| powerpoint | powerpoint_exec() |
TRUE | 16 | C:/Program Files/Microsoft Office/root/Office16/POWERPNT.exe |
| pip | pip_exec() |
TRUE | 20.2.3 | C:/Users/dgohe/AppData/Local/Programs/Python/Python39/Scripts/pip.exe |
| firefox | firefox_exec() |
TRUE | 86.0.1 | C:/Program Files/Mozilla Firefox/firefox.exe |
| npm | npm_exec() |
TRUE | 6.13.4 | C:/Program Files/nodejs/npm.cmd |
| word | word_exec() |
TRUE | 16 | C:/Program Files/Microsoft Office/root/Office16/WINWORD.exe |
This was motivated by the need for tools similar to
rmarkdown::pandoc_available() and
rmarkdown::pandoc_exec() but allowing to locate external
programs other than pandoc.
I need to use these programs from R without having heavy dependencies. These functions will mainly be used to automate some visual tests or to improve the documentation of other packages.
You can install the CRAN version with:
install.packages("locatexec")Packages pagedown is providing find_chrome() for
finding “Google Chrome”.
Packages findpython is providing find_python_cmd()
for finding “python”.
If you want to go deeper with ‘R’ and ‘node.js’, I recommend package packer.
If you want to go deeper with ‘R’ and ‘Python’, I recommend package reticulate.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.