diff --git a/document/linux/config/bash/module/name.sh b/document/linux/config/bash/module/name.sh
index e9e76c1..9480570 100644
--- a/document/linux/config/bash/module/name.sh
+++ b/document/linux/config/bash/module/name.sh
@@ -5,6 +5,7 @@ name()
   local files="$@"
   local count=0
   local total=$#
+  local IFS=$'\n'
 
   # all files except hidden by default.
   if [[ "${files}" = "" ]]; then
@@ -57,6 +58,7 @@ name_hash()
   local files="$@"
   local count=0
   local total=$#
+  local IFS=$'\n'
 
   # all files except hidden by default.
   if [[ "${files}" = "" ]]; then
@@ -109,6 +111,7 @@ name_hash_check()
   local count=0
   local total=$#
   local failed=0
+  local IFS=$'\n'
 
   # all files by default.
   if [[ "${files}" = "" ]]; then
@@ -158,6 +161,7 @@ name_series()
   local files="${@:2}"
   local count=0
   local total=$#
+  local IFS=$'\n'
 
   # error when no season number specified.
   if [[ "${season}" = "" ]]; then
@@ -200,6 +204,7 @@ name_manga()
   local count=0
   local total=$#
   local manga="${PWD##*/}"
+  local IFS=$'\n'
 
   # error when no season number specified.
   if [[ "${season}" = "" ]]; then
@@ -241,6 +246,7 @@ name_ext()
   local files="${@:2}"
   local count=0
   local total=$#
+  local IFS=$'\n'
 
   # error when no new extension specified.
   if [[ "${extension}" = "" ]]; then