Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/14258#discussion_r72669050 --- Diff: R/pkg/R/sparkR.R --- @@ -365,6 +365,23 @@ sparkR.session <- function( } overrideEnvs(sparkConfigMap, paramMap) } + if (!grepl(".*shell\\.R$", Sys.getenv("R_PROFILE_USER"), perl = TRUE)) { + if (!nzchar(master) || is_master_local(master)) { + if (is.na(file.info(sparkHome)$isdir)) { + fmt <- paste0("Spark not found in SPARK_HOME: %s.\n", + "To search in the cache directory. ", + "Installation will start if not found.") + msg <- sprintf(fmt, sparkHome) --- End diff -- can't we do something like: ``` fmt <- paste0("Spark not found in SPARK_HOME: ", sparkHome, " .\nTo search in the cache directory. ", "Installation will start if not found.") message(msg) ```
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