diff --git a/sh/code.awk b/sh/code.awk
index 0d23127..053f1be 100644
--- a/sh/code.awk
+++ b/sh/code.awk
@@ -50,18 +50,6 @@ BEGIN {
         if (match($0, RE_ALIAS, m)) {
             print m[1]
         }
-    } else if (action == "constants") {
-        if (match($0, RE_CONSTANT, m)) {
-            print m[1]
-        }
-    } else if (action == "functions") {
-        if (match($0, RE_FUNCTION, m)) {
-            print m[1]
-        }
-    } else if (action == "variables") {
-        if (match($0, RE_VARIABLE, m)) {
-            print m[1]
-        }
     } else if (action == "aliases functions") {
         if (match($0, RE_ALIAS, m)) {
             append(m[1])
diff --git a/sh/code.sh b/sh/code.sh
index e5a898b..8838276 100644
--- a/sh/code.sh
+++ b/sh/code.sh
@@ -6,18 +6,8 @@
 # │ code │ variables │
 # ╰──────┴───────────╯
 
-# cache for the parsing awk script
+# path to the required parsing awk script
 _rwx_code_awk="$(cat "${RWX_ROOT_SYSTEM}/code.awk")"
-# cache for code aliases
-_rwx_code_aliases=""
-# cache for code aliases functions
-_rwx_code_aliases_functions=""
-# cache for code constants
-_rwx_code_constants=""
-# cache for code functions
-_rwx_code_functions=""
-# cache for code variables
-_rwx_code_variables=""
 
 # ╭──────┬───────╮
 # │ code │ parts │
@@ -29,11 +19,6 @@ rwx_code() {
 	echo "${_rwx_code}"
 }
 
-# show the cached awk script
-rwx_code_awk() {
-	echo "${_rwx_code_awk}"
-}
-
 # show the cached aliases
 #= rca
 rwx_code_aliases() {
@@ -46,6 +31,11 @@ rwx_code_aliases_functions() {
 	echo "${_rwx_code_aliases_functions}"
 }
 
+# show the cached awk script
+rwx_code_awk() {
+	echo "${_rwx_code_awk}"
+}
+
 # show the cached constants
 #= rcc
 rwx_code_constants() {
@@ -83,38 +73,9 @@ rwx_code_check() {
 rwx_code_doc() {
 	local name="${1}"
 	[ -n "${name}" ] || return
-	rwx_code |
+	printf "%s" "${_rwx_code}" |
 		awk \
 			--assign action="doc" \
 			--assign target="${name}" \
-			"${_rwx_code_awk}"
-}
-
-rwx_code_load() {
-	# parse aliases
-	_rwx_code_aliases="$(rwx_code_parse "aliases")"
-	# parse aliases functions
-	local line text
-	_rwx_code_aliases_functions="$(rwx_code_parse "aliases functions")"
-	while IFS= read -r line; do
-		text="$(echo "${line}" | sed "s| |() { |")"
-		text="${text} \"\${@}\"; }"
-		eval "${text}"
-	done <<EOF
-${_rwx_code_aliases_functions}
-EOF
-	# parse constants
-	_rwx_code_constants="$(rwx_code_parse "constants")"
-	# parse functions
-	_rwx_code_functions="$(rwx_code_parse "functions")"
-	# parse variables
-	_rwx_code_variables="$(rwx_code_parse "variables")"
-}
-
-rwx_code_parse() {
-	local action="${1}"
-	rwx_code |
-		awk \
-			--assign action="${action}" \
-			"${_rwx_code_awk}"
+			"$(rwx_code_awk)"
 }
diff --git a/sh/main.sh b/sh/main.sh
index 1e0c2c1..8fe2884 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -63,8 +63,8 @@ rwx_main() {
 	fi
 	# source user root
 	rwx_source "${RWX_SELF_USER}"
-	# load code cache
-	rwx_code_load
+	# parse code cache
+	rwx_parse_code
 	# context / command
 	if [ -n "${RWX_COMMAND_NAME}" ]; then
 		"${RWX_SELF_COMMAND}${RWX_COMMAND_NAME}" "${@}"
@@ -177,6 +177,75 @@ rwx_find_shell() {
 	rwx_find_extension "sh" "${@}"
 }
 
+# ╭──────┬───────╮
+# │ main │ parse │
+# ╰──────┴───────╯
+
+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_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_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
+	_rwx_code_aliases="$(rwx_parse_aliases)"
+	# parse aliases functions
+	local line text
+	_rwx_code_aliases_functions="$(rwx_parse_aliases_functions)"
+	while IFS= read -r line; do
+		text="$(echo "${line}" | sed "s| |() { |")"
+		text="${text} \"\${@}\"; }"
+		eval "${text}"
+	done <<EOF
+${_rwx_code_aliases_functions}
+EOF
+	# parse constants
+	_rwx_code_constants="$(rwx_parse_constants)"
+	# parse functions
+	_rwx_code_functions="$(rwx_parse_functions)"
+	# parse variables
+	_rwx_code_variables="$(rwx_parse_variables)"
+}
+rwx_parse_aliases() {
+	echo "${_rwx_code}" |
+		awk \
+			--assign action="aliases" \
+			"$(rwx_code_awk)"
+}
+rwx_parse_aliases_functions() {
+	printf "%s" "${_rwx_code}" |
+		awk \
+			--assign action="aliases functions" \
+			"$(rwx_code_awk)"
+}
+rwx_parse_constants() {
+	printf "%s" "${_rwx_code}" |
+		sed --silent "s|${RWX_REGEX_TARGET_CONSTANT}|\\1|p"
+}
+rwx_parse_functions() {
+	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 │ run │
 # ╰──────┴─────╯
diff --git a/sh/test.sh b/sh/test.sh
index 4f4a557..d017077 100644
--- a/sh/test.sh
+++ b/sh/test.sh
@@ -21,7 +21,8 @@ rwx_test_code() {
 		"variables" \
 		"functions" \
 		"aliases" \
-		"aliases_functions"
+		"aliases_functions" \
+
 	rwx_code
 	for items in "${@}"; do
 		echo
@@ -46,7 +47,8 @@ rwx_test_doc() {
 		"rwx_cache" \
 		\
 		"alias/batcat" \
-		"b"
+		"b" \
+
 	for item in "${@}"; do
 		echo
 		rwx_code_doc "${item}"