Nothing
service <- Sys.getenv("_R_CHECK_HAVE_PERLCSVXS_")
Sys.info()
if(identical(as.logical(service), TRUE)) {
require("TSmisc")
if( ! any(c("XLS","XLSX") %in% gdata::xlsFormats())) stop("Perl libraries are not available." )
}else {
cat("Perl libraries not available. Skipping tests.\n")
cat("_R_CHECK_HAVE_PERLCSVXS_ setting ", service, "\n")
}
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