Merge pull request #64 from gvwilson/building-r

Only try building R files if there are some
carpentries-lab · Jun 24, 2016 · c565218 · c565218
2 parents 05c8b44 + 2e8a6b0
commit c565218
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/Makefile b/Makefile
@@ -78,7 +78,7 @@ HTML_DST = \
 
 ## lesson-rmd:    : convert Rmarkdown files to markdown
 lesson-rmd: $(RMD_SRC)
-	@bin/knit_lessons.sh
+	@bin/knit_lessons.sh $(RMD_SRC)
 
 ## lesson-check   : validate lesson Markdown.
 lesson-check :

diff --git a/bin/knit_lessons.sh b/bin/knit_lessons.sh
@@ -1,5 +1,8 @@
 #!/usr/bin/env bash
 
-if [ -d "_episodes_rmd" ] ; then
+# Only try running R to translate files if there are some files present.
+# The Makefile passes in the names of files.
+
+if [ $# -ne 0 ] ; then
     Rscript -e "source('bin/generate_md_episodes.R')"
 fi