diff --git a/atom b/atom
index 9302fde..ee00357 100755
--- a/atom
+++ b/atom
@@ -46,8 +46,6 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
-cffile="$HOME/.atom/atom.cfg"
-
 LC_ALL=C
 
 shopt -s extglob
@@ -59,6 +57,15 @@ do
 	source "$function"
 done
 
+if ! [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg" ]]	\
+&& [[ -f "$HOME/.atom/atom.cfg" ]]
+then
+	echo	"Configuration found in legacy location $HOME/.atom/atom.cfg."\
+		"Migrating configuration and data to XDG standard"
+	xdgMigrate
+fi
+cffile="${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg"
+
 help() {
 	cat <<-EOF
 	Options:
@@ -78,7 +85,6 @@ help() {
 }
 
 #parse arguments
-OPTERR=0
 while getopts ':c:Cl:T:F:f:B:ShDq' opt
 do
 	case $opt in
diff --git a/lib/xdg/migrate b/lib/xdg/migrate
new file mode 100644
index 0000000..70d7fa9
--- /dev/null
+++ b/lib/xdg/migrate
@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+# https://specifications.freedesktop.org/basedir-spec/latest/
+
+xdgUpdateData() {
+	local -r programname=AtOM
+	local -r my_data_home="${XDG_DATA_HOME:-$HOME/.local/share}/$programname"
+	local -r new_db_path="$my_data_home/atom.db"
+
+	[[ -d "$my_data_home" ]] || mkdir -p "$my_data_home"
+	mv "$1" "$new_db_path"
+	echo "$new_db_path"
+}
+
+xdgUpdateRuntime() {
+	local -r programname=AtOM					\
+		my_runtime_dir="${XDG_RUNTIME_DIR:-/tmp}"		\
+
+	echo "$my_runtime_dir/$programname"
+}
+
+xdgMigrate() {
+	local -r programname=AtOM
+	local -r my_config_home="${XDG_CONFIG_HOME:-$HOME/.config}/$programname"
+	local new_database
+
+	cffile="$HOME/.atom/atom.cfg"
+	getConfig
+	new_database=$(xdgUpdateData "$database")
+	database="$new_database"
+	tempdir=$(xdgUpdateRuntime)
+	cffile="$my_config_home/atom.cfg"
+	[[ -d "$my_config_home" ]] || mkdir -p "$my_config_home"
+	writeConfig >"$cffile"
+}
diff --git a/toys/checkextensions b/toys/checkextensions
index 08da0b0..0783b98 100755
--- a/toys/checkextensions
+++ b/toys/checkextensions
@@ -32,7 +32,6 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
-cffile="$HOME/.atom/atom.cfg"
 LC_ALL=C
 
 shopt -s extglob
@@ -42,6 +41,15 @@ do
 	source "$function"
 done
 
+if ! [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg" ]]	\
+&& [[ -f "$HOME/.atom/atom.cfg" ]]
+then
+	echo	"Configuration found in legacy location $HOME/.atom/atom.cfg."\
+		"Migrating configuration and data to XDG standard"
+	xdgMigrate
+fi
+cffile="${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg"
+
 while getopts 'urnD' opt
 do
 	case $opt in
diff --git a/toys/checkgenre b/toys/checkgenre
index 616c97e..e2b55d4 100755
--- a/toys/checkgenre
+++ b/toys/checkgenre
@@ -32,7 +32,6 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
-cffile="$HOME/.atom/atom.cfg"
 LC_ALL=C
 
 shopt -s extglob
@@ -42,6 +41,15 @@ do
 	source "$function"
 done
 
+if ! [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg" ]]	\
+&& [[ -f "$HOME/.atom/atom.cfg" ]]
+then
+	echo	"Configuration found in legacy location $HOME/.atom/atom.cfg."\
+		"Migrating configuration and data to XDG standard"
+	xdgMigrate
+fi
+cffile="${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg"
+
 while getopts 'D' opt
 do
 	case $opt in
diff --git a/toys/checkmissing b/toys/checkmissing
index 4fb0771..b56ba51 100755
--- a/toys/checkmissing
+++ b/toys/checkmissing
@@ -32,7 +32,6 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
-cffile="$HOME/.atom/atom.cfg"
 LC_ALL=C
 
 shopt -s extglob
@@ -42,6 +41,15 @@ do
 	source "$function"
 done
 
+if ! [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg" ]]	\
+&& [[ -f "$HOME/.atom/atom.cfg" ]]
+then
+	echo	"Configuration found in legacy location $HOME/.atom/atom.cfg."\
+		"Migrating configuration and data to XDG standard"
+	xdgMigrate
+fi
+cffile="${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg"
+
 while getopts 'Dr' opt
 do
 	case $opt in
diff --git a/toys/cleandestinations b/toys/cleandestinations
index b5a35e8..0b85453 100755
--- a/toys/cleandestinations
+++ b/toys/cleandestinations
@@ -32,7 +32,6 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
-cffile="$HOME/.atom/atom.cfg"
 LC_ALL=C
 
 shopt -s extglob
@@ -42,6 +41,15 @@ do
 	source "$function"
 done
 
+if ! [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg" ]]	\
+&& [[ -f "$HOME/.atom/atom.cfg" ]]
+then
+	echo	"Configuration found in legacy location $HOME/.atom/atom.cfg."\
+		"Migrating configuration and data to XDG standard"
+	xdgMigrate
+fi
+cffile="${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg"
+
 while getopts 'rD' opt
 do
 	case $opt in
diff --git a/toys/createindex b/toys/createindex
index 6a7ddc0..139f9dd 100755
--- a/toys/createindex
+++ b/toys/createindex
@@ -34,8 +34,6 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
-cffile="$HOME/.atom/atom.cfg"
-
 LC_ALL=C
 
 shopt -s extglob
@@ -47,6 +45,15 @@ do
 	source "$function"
 done
 
+if ! [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg" ]]	\
+&& [[ -f "$HOME/.atom/atom.cfg" ]]
+then
+	echo	"Configuration found in legacy location $HOME/.atom/atom.cfg."\
+		"Migrating configuration and data to XDG standard"
+	xdgMigrate
+fi
+cffile="${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg"
+
 args="$@"
 while [ -n "$1" ]
 do
diff --git a/toys/lowquality b/toys/lowquality
index 1adfdab..8ba3dd3 100755
--- a/toys/lowquality
+++ b/toys/lowquality
@@ -32,7 +32,6 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
-cffile="$HOME/.atom/atom.cfg"
 LC_ALL=C
 
 shopt -s extglob
@@ -42,6 +41,15 @@ do
 	source "$function"
 done
 
+if ! [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg" ]]	\
+&& [[ -f "$HOME/.atom/atom.cfg" ]]
+then
+	echo	"Configuration found in legacy location $HOME/.atom/atom.cfg."\
+		"Migrating configuration and data to XDG standard"
+	xdgMigrate
+fi
+cffile="${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg"
+
 while getopts 'fm:o:p:*:uD' opt
 do
 	case $opt in
diff --git a/toys/missingtags b/toys/missingtags
index 417444a..1fa2efc 100755
--- a/toys/missingtags
+++ b/toys/missingtags
@@ -33,7 +33,6 @@ declare -r				\
 					\
 	oldIFS="$IFS"
 
-cffile="$HOME/.atom/atom.cfg"
 LC_ALL=C
 
 shopt -s extglob
@@ -43,6 +42,15 @@ do
 	source "$function"
 done
 
+if ! [[ -f "${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg" ]]	\
+&& [[ -f "$HOME/.atom/atom.cfg" ]]
+then
+	echo	"Configuration found in legacy location $HOME/.atom/atom.cfg."\
+		"Migrating configuration and data to XDG standard"
+	xdgMigrate
+fi
+cffile="${XDG_CONFIG_HOME:-$HOME/.config}/AtOM/atom.cfg"
+
 while getopts 'AlacdgptnNyuD' opt
 do
 	case $opt in