Merge pull request #8 from AlexsLemonade/jashapiro/whatsup

Add check for blank second arg

action.yaml

@@ -14,7 +14,7 @@ outputs:
     description: The number of spelling errors
 runs:
   using: "docker"
-  image: docker://ghcr.io/alexslemonade/spellcheck:v0.1.0
+  image: docker://ghcr.io/alexslemonade/spellcheck:v0.1.1
   args:
     - ${{ inputs.dictionary || '/dev/null'  }}
     - ${{ inputs.files }}

spell-check.R

@@ -5,14 +5,15 @@
 # To modify this behavior, provide a command-line argument with the extensions to check.
 
 arguments <- commandArgs(trailingOnly = TRUE)
+
 file_pattern <- "(?i)\\.(md|rmd)$"
 
 # dictionary is required first argument
 dict_file <- arguments[1]
 
 arguments <- arguments[-1]
 # if there are arguments, check those files, otherwise check all markdown & rmd files
-if (length(arguments) > 0) {
+if (length(arguments) > 0 && arguments[1] != "") {
   files <- arguments[grepl(file_pattern, arguments)]
 } else {
   files <- list.files(pattern = file_pattern, recursive = TRUE, full.names = TRUE)