diff --git a/.config/bash/module/archive.sh b/.config/bash/module/archive.sh
index bd90e16..4bf0456 100644
--- a/.config/bash/module/archive.sh
+++ b/.config/bash/module/archive.sh
@@ -122,8 +122,8 @@ archive_check()
     echo -e "${status}"
 
     # extract hash from name.
-    local saved="${target##*-}"
-    saved="${saved%%.*}"
+    local data=($(_archive_parse ${target}))
+    local saved=${data[2]}
 
     # calculate actual hash.
     local actual=$(pv "${target}" | sha1sum | cut -d\  -f1)
@@ -164,16 +164,16 @@ archive_prune()
 
     # Iterate counter.
     ((count++))
-    
-    local name="${target%_*}"
-    local data="${target##*_}"
-    local time="${data%%-*}"
+
+    local data=($(_archive_parse ${target}))
+    local name="${data[0]}"
+    local time="${data[1]}"
     local copies=($(ls ${name}_*))
 
     # Iterate each copy.
     for copy in "${copies[@]}"; do
-      local copy_data="${copy##*_}"
-      local copy_time="${copy_data%%-*}"
+      local copy_data=($(_archive_parse ${copy}))
+      local copy_time="${copy_data[1]}"
 
       if [[ "${copy_time}" -lt "${time}" ]]; then
         echo -e "${name}: prune ${copy_time}."
@@ -219,8 +219,8 @@ unarchive()
     echo -e "${status}"
 
     # extract hash from name.
-    local saved="${target##*-}"
-    saved="${saved%%.*}"
+    local data=($(_archive_parse "${target}"))
+    local saved="${data[2]}"
     
     # calculate actual hash.
     local actual=$(pv "${target}" | sha1sum | cut -d\  -f1)
@@ -369,6 +369,21 @@ archive_convert()
   done
 }
 
+_archive_parse()
+{
+  local input="${1}"
+  local name="${input%_*}"
+  local format="${input##*.}"
+  local data="${input##*_}"; data="${data%.*}"
+  local date="${data%%-*}"
+  local hash="${data##*-}"
+
+  echo "${name}"
+  echo "${date}"
+  echo "${hash}"
+  echo "${format}"
+}
+
 # export everything, primarily for use with parallel..
 export -f archive archive_fast archive_check unarchive archive_name _ARCHIVE_DATE
 export _ARCHIVE_PATTERN