service <- Sys.getenv("_R_CHECK_HAVE_PERLCSVXS_")

if(identical(as.logical(service), TRUE)) {
   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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TSmisc documentation built on May 2, 2019, 5:47 p.m.