diff --git a/.linux/bash/module/archive.sh b/.linux/bash/module/archive.sh
index 993b3aa..ad3270b 100644
--- a/.linux/bash/module/archive.sh
+++ b/.linux/bash/module/archive.sh
@@ -1,5 +1,8 @@
 _ARCHIVE_PATTERN="_[0-9]{12}-[[:alnum:]]{40}.t[xg]z"
-alias _ARCHIVE_DATE="date +%Y%m%d%H%M"
+_ARCHIVE_DATE()
+{
+  date +%Y%m%d%H%M
+}
 
 # archive file with maximum compression and checksum.
 # usage: archive [FILES]
@@ -277,7 +280,8 @@ archive_convert()
 }
 
 # export everything, primarily for use with parallel..
-export -f archive archive_fast archive_check unarchive archive_name
+export -f archive archive_fast archive_check unarchive archive_name _ARCHIVE_DATE
+export _ARCHIVE_PATTERN
 
 # autocomplete.
 _archive_name()
diff --git a/.linux/bash/module/pack.sh b/.linux/bash/module/pack.sh
index e1d4764..927e57e 100644
--- a/.linux/bash/module/pack.sh
+++ b/.linux/bash/module/pack.sh
@@ -106,13 +106,13 @@ unpack()
 
     # actions on error.
     if [[ $? != 0 ]]; then
-      _error "${target}"
+      _pack_error "${target}"
       ((failed++))
     fi
   done 
 
   # print report.
-  if [[ ${count} -gt 1 ]]; then
+  if [[ ${count} -gt 1 ]] || [[ "${*}" = "" ]]; then
     if [[ ${failed} -gt 0 ]]; then
       echo -e "${color_bred}Items failed to unpack: ${failed}.${color_default}"
     else
@@ -122,7 +122,7 @@ unpack()
 }
 
 # show error.
-_error()
+_pack_error()
 {
   echo -e "${color_bred}${1}: failed.${color_default}"
 }
@@ -180,3 +180,6 @@ _unpack_tar()
 {
   pv "${1}" | tar -xf -
 }
+
+# export functions.
+export -f pack unpack _pack_tgz _pack_txz _pack_tar _pack_zip _unpack_zip _unpack_7z _unpack_tgz _unpack_txz _unpack_tar _pack_error