If a package has been installed in TinyTeX or TeX Live, the command
tlmgr info PKG
should return PKG
where PKG
is the
package name.
check_installed(pkgs)
A logical vector indicating if packages specified in pkgs
are
installed.
A character vector of LaTeX package names.
if (FALSE) { # interactive()
tinytex::check_installed('framed')
}
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