[WIP] Initial commit for qsgen3

docs/zsdoc/data/functions/qsgen2/_pages_cache

@@ -0,0 +1,31 @@
+if [[ ${globaldebug} == "true" ]]; then
+  local debug=true
+else
+  local debug=false
+fi
+typeset -A pages_cache
+  
+_list_pages
+if [[ -f $pages_cache_file ]]; then
+  while IFS=':' read -r name hash; do
+    pages_cache[$name]=$hash
+  	if (${debug}) _msg debug "${0:t}_msg_1" " ${pages_cache[${name}]}"
+  done < "$pages_cache_file"
+fi
+pages_array=()
+for file in ${pages_file_array[@]}; do
+  current_hash=$(md5sum "$file" | awk '{print $1}')
+      
+  if (${debug}) _msg debug "${0:t}_msg_2" " ${pages_cache[$file]}"
+  if (${debug}) _msg debug "${0:t}_msg_3" " current_cache: ${current_hash}"
+  if [[ ${pages_cache[$file]} != "$current_hash" ]]; then
+  	if (${debug}) _msg debug "${0:t}_msg_4" " ${pages_cache[$file]}"
+  	if (${debug}) _msg debug "${0:t}_msg_5" " current_cache: ${current_hash}"
+    pages_array+=("$file")
+    pages_cache[$file]=$current_hash
+  fi
+done
+: >| "$pages_cache_file"
+for name in "${(@k)pages_cache}"; do
+  echo "$name:${pages_cache[$name]}" >> "$pages_cache_file"
+done