Image directory randomization can go out of bounds

Need to subtract 1 from the total number of files in a directory or else sometimes it will have to fallback to ascii art.
2016-05-17 00:06:59 -05:00
parent a10843c945
commit 3b5938a631
1 changed files with 1 additions and 1 deletions
--- a/2
+++ b/2
@@ -2158,7 +2158,7 @@ getimage () {
        *)
            if [ "${image: -1}" == "/" ]; then
                files=("$image"*.png "$image"*.jpg)
-                img="$(printf "%s" "${files[RANDOM % ${#files[@]}]}")"
+                img="$(printf "%s" "${files[RANDOM % (${#files[@]} - 1)]}")"
            else
                img="$image"
            fi