Added comment about GLOBAL_CACHE and how it is later renamed

2015-04-09 21:28:14 -04:00 · 2015-04-09 21:28:14 -04:00 · 2fa8a641a0
commit 2fa8a641a0
parent 87d6284d67
1 changed files with 4 additions and 0 deletions
--- a/functions.sh
+++ b/functions.sh
@ -249,6 +249,10 @@ exists() {

    if [ -e "${filename}" ] && ! elementIn "${filename}" "${GLOBAL_CACHE[@]}"; then
        # Cache $script
+        #
+        # GLOBAL_CACHE is declared in the `getFileLocations` function and is later
+        # renamed to a name passed into the function as $1 to allow scripts using
+        # the function to have access to the array
        GLOBAL_CACHE["${#GLOBAL_CACHE[@]}"]="${filename}"
        return 0
    fi