diff --git a/sh/alias/gpg.sh b/sh/alias/gpg.sh
deleted file mode 100644
index eb19651..0000000
--- a/sh/alias/gpg.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-# turn gpg agent off
-gak() { a__gpg_agent_kill "${@}"; }
-a__gpg_agent_kill() {
-	gpgconf \
-		--kill "gpg-agent"
-}
-
-# bind gpg agent to current tty
-gau() { a__gpg_agent_update "${@}"; }
-a__gpg_agent_update() {
-	rwx_gpg_agent_update
-}
diff --git a/sh/gpg.sh b/sh/gpg.sh
index b5ce07b..e1bf31c 100644
--- a/sh/gpg.sh
+++ b/sh/gpg.sh
@@ -1,4 +1,14 @@
+# functions to handle gpg
+
+# turn gpg agent off
+#= gak
+rwx_gpg_agent_kill() {
+	gpgconf \
+		--kill "gpg-agent"
+}
+
 # bind gpg agent to current tty
+#= gau
 rwx_gpg_agent_update() {
 	gpg-connect-agent \
 		updatestartuptty \
diff --git a/sh/main.sh b/sh/main.sh
index d26159a..72ebd54 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -172,17 +172,23 @@ RWX_REGEX_CONSTANT="[_A-Z][_0-9A-Z]*"
 RWX_REGEX_FUNCTION="[_A-Za-z][_0-9A-Za-z]*"
 RWX_REGEX_SET="=.*"
 RWX_REGEX_SPACES="[[:space:]]*"
+RWX_REGEX_VARIABLE="[_a-z][_0-9a-z]*"
 
-RWX_REGEX_BEGIN="^${RWX_REGEX_SPACES}"
+RWX_REGEX_BEGIN="^"
 RWX_REGEX_OPEN="\
 ${RWX_REGEX_SPACES}(${RWX_REGEX_SPACES})${RWX_REGEX_SPACES}{.*"
 
 RWX_REGEX_TARGET_CONSTANT="\
 ${RWX_REGEX_BEGIN}\\(${RWX_REGEX_CONSTANT}\\)${RWX_REGEX_SET}"
 RWX_REGEX_TARGET_DOC="\
-${RWX_REGEX_BEGIN}# \\(.*\\)${RWX_REGEX_SPACES}\$"
+${RWX_REGEX_BEGIN}${RWX_REGEX_SPACES}# \\(.*\\)${RWX_REGEX_SPACES}\$"
 RWX_REGEX_TARGET_FUNCTION="\
 ${RWX_REGEX_BEGIN}\\(${RWX_REGEX_FUNCTION}\\)${RWX_REGEX_OPEN}"
+RWX_REGEX_TARGET_VARIABLE="\
+${RWX_REGEX_BEGIN}\\(${RWX_REGEX_VARIABLE}\\)${RWX_REGEX_SET}"
+
+# cache for code variables
+_rwx_code_variables=""
 
 rwx_parse_code() {
 	# parse aliases
@@ -197,6 +203,8 @@ EOF
 	RWX_CONSTANTS="$(rwx_parse_constants)"
 	# parse functions
 	RWX_FUNCTIONS="$(rwx_parse_functions)"
+	# parse variables
+	_rwx_code_variables="$(rwx_parse_variables)"
 }
 rwx_parse_aliases() {
 	printf "%s" "${_rwx_code}" |
@@ -205,18 +213,23 @@ rwx_parse_aliases() {
 			--file "${RWX_AWK}"
 }
 rwx_parse_constants() {
-	printf "%s\n" "${_rwx_code}" |
+	printf "%s" "${_rwx_code}" |
 		sed --silent "s|${RWX_REGEX_TARGET_CONSTANT}|\\1|p"
 }
 rwx_parse_functions() {
-	printf "%s\n" "${_rwx_code}" |
+	printf "%s" "${_rwx_code}" |
 		sed --silent "s|${RWX_REGEX_TARGET_FUNCTION}|\\1|p"
 }
+rwx_parse_variables() {
+	printf "%s" "${_rwx_code}" |
+		sed --silent "s|${RWX_REGEX_TARGET_VARIABLE}|\\1|p"
+}
 
 # ╭──────┬──────╮
 # │ main │ test │
 # ╰──────┴──────╯
 
+#= rt
 rwx_test() {
     local item
     # TODO CODE
diff --git a/sh/self.sh b/sh/self.sh
index 901c588..e2c30f7 100644
--- a/sh/self.sh
+++ b/sh/self.sh
@@ -1,7 +1,38 @@
 # self
 # module
 
+# show the cached code
+#= rc
+rwx_code() {
+    echo "${_rwx_code}"
+}
+
+# show the cached aliases
+#= rca
+rwx_code_aliases() {
+    echo "${RWX_ALIASES}"
+}
+
+# show the cached constants
+#= rcc
+rwx_code_constants() {
+    echo "${RWX_CONSTANTS}"
+}
+
+# show the cached functions
+#= rcf
+rwx_code_functions() {
+    echo "${RWX_FUNCTIONS}"
+}
+
+# show the cached variables
+#= rcv
+rwx_code_variables() {
+    echo "${_rwx_code_variables}"
+}
+
 # meta doc
+#= rd
 rwx_doc() {
 	local name="${1}"
 	[ -n "${name}" ] || return