r {svMisc} | R Documentation |
This function loads one or several R packages as silently as possible and
it returns TRUE
only if all packages are loaded successfully. If
at least one loading fails, a short message is printed.
r(...)
... |
the name of one or several R packages to load (character strings) |
TRUE
if all packages are loaded correctly, FALSE
otherwise. This
function is designed to concisely and quitely indicate package requirements in
GUI menu or other GUI actions.
Philippe Grosjean <phgrosjean@sciviews.org>
# This should work... if (r("tools", "methods")) cat("Fine!\n") # ... but this not (notice there is no error or warning!) if (r("tools", "badname")) cat("Fine!\n")