diff --git a/sh/alias/batcat.sh b/sh/alias/batcat.sh
index 99d8373..c573adb 100644
--- a/sh/alias/batcat.sh
+++ b/sh/alias/batcat.sh
@@ -1,4 +1,4 @@
-b() { a__bat "${@}"; }
+#= b
 a__bat() {
 	batcat \
 		"${@}"
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.awk b/sh/main.awk
index 2dca2cb..b8a8f59 100644
--- a/sh/main.awk
+++ b/sh/main.awk
@@ -6,13 +6,16 @@ function append(line) {
 }
 
 function output(name, type) {
-    print name "  ← " type
+    print "↙ " type
+    print name
     print doc
     exit
 }
 
 function reset() {
-    doc = ""
+    if (f == "") {
+        doc = ""
+    }
 }
 
 BEGIN {
@@ -30,13 +33,14 @@ BEGIN {
     RE_ALIAS = RE_BEGIN "#=" RE_SPACES RE_VAR RE_END
     RE_CLOSE = RE_BEGIN "}" RE_SPACES RE_END
     RE_CONSTANT = RE_BEGIN RE_CONST RE_SET RE_END
-    RE_DOC = RE_BEGIN "#" RE_SPACE RE_ANY RE_END
+    RE_DOC = RE_BEGIN RE_SPACES "#" RE_SPACE RE_ANY RE_END
     RE_FUNCTION = RE_BEGIN RE_VAR RE_FUNC RE_END
     RE_MODULE = RE_BEGIN "#." RE_SPACES RE_ANY RE_END
     RE_SHEBANG = RE_BEGIN "#!" RE_SPACES RE_ANY RE_END
     RE_VARIABLE = RE_BEGIN RE_VAR RE_SET RE_END
 
     alias = 0
+    f = ""
     reset()
     module = 0
 }
@@ -48,7 +52,7 @@ BEGIN {
         } else if (match($0, RE_FUNCTION, m)) {
             n = split(doc, array, "\n")
             for (i = 1; i<= n; i++) {
-                print array[i] " = " m[1]
+                print array[i] " " m[1]
             }
             reset()
         } else {
@@ -59,7 +63,11 @@ BEGIN {
         if (match($0, RE_SHEBANG, m)) {
             append("! " m[1])
         } else if (match($0, RE_DOC, m)) {
-            append(m[1])
+            if (f) {
+                append($0)
+            } else {
+                append(m[1])
+            }
         } else if (match($0, RE_ALIAS, m)) {
             append("= " m[1])
             if (m[1] == target) {
@@ -85,12 +93,15 @@ BEGIN {
                 module = 1
             }
         } else if (match($0, RE_FUNCTION, m)) {
+            f = m[1]
+        } else if (match($0, RE_CLOSE, m)) {
             if (alias) {
                 print "= " target
-                output(m[1], "function")
-            } else if (m[1] == target) {
-                output(target, "function")
+                output(f, "function")
+            } else if (f == target) {
+                output(f, "function")
             } else {
+                f = ""
                 reset()
             }
         } else {
diff --git a/sh/main.sh b/sh/main.sh
index d26159a..838b028 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -94,11 +94,11 @@ rwx_source() {
 	[ -d "${root}" ] ||
 		return 1
 	local file="${2}"
-	local count module
+	local count module modules
 	count=0
 	__rwx_log "" \
 		". ${root}"
-	local modules="$(rwx_find_shell "${root}" "${file}")"
+	modules="$(rwx_find_shell "${root}" "${file}")"
 	while IFS= read -r module; do
 		count=$((count + 1))
 		__rwx_log "$(printf "%02d" "${count}") ${module%.sh}"
@@ -172,24 +172,32 @@ 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
-	local line
+	local line text
 	RWX_ALIASES="$(rwx_parse_aliases)"
 	while IFS= read -r line; do
-		eval "${line/ = /() { } \"\${@}\"; }"
+		text="$(echo "${line}" | sed "s| |() { |")"
+		text="${text} \"\${@}\"; }"
+		eval "${text}"
 	done <<EOF
 ${RWX_ALIASES}
 EOF
@@ -197,6 +205,8 @@ EOF
 	RWX_CONSTANTS="$(rwx_parse_constants)"
 	# parse functions
 	RWX_FUNCTIONS="$(rwx_parse_functions)"
+	# parse variables
+	_rwx_code_variables="$(rwx_parse_variables)"
 }
 rwx_parse_aliases() {
 	printf "%s" "${_rwx_code}" |
@@ -205,39 +215,41 @@ rwx_parse_aliases() {
 			--file "${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
-    # TODO CONSTANTS
-    # TODO functions
-    # TODO variables
-    set \
-        "main" \
-        "alias/git" \
-        \
-        "RWX_MAIN_NAME" \
-        \
-        "_rwx_code" \
-        \
-        "rwx_cache" \
-        \
-        "gsc"
-    for item in "${@}"; do
-        echo
-        rwx_doc "${item}"
-    done
+	local item
+	set \
+		"main" \
+		"alias/git" \
+		\
+		"RWX_MAIN_NAME" \
+		\
+		"_rwx_code" \
+		\
+		"rwx_cache" \
+		\
+		"alias/batcat" \
+		"b"
+	for item in "${@}"; do
+		echo
+		rwx_doc "${item}"
+	done
 }
 
 # ╭──────┬─────╮
diff --git a/sh/self.sh b/sh/self.sh
index 901c588..4d88414 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 "${name}" ] || return
@@ -191,10 +222,10 @@ rwx_self_write() {
 	local target="${1}"
 	if [ -n "${target}" ]; then
 		shift
-		local file text
+		local file files text
 		text="#! /usr/bin/env sh
 "
-		local files="$(rwx_self_subset "${@}")"
+		files="$(rwx_self_subset "${@}")"
 		while IFS= read -r file; do
 			text="${text}
 $(cat "${RWX_ROOT_SYSTEM}/${file}")
diff --git a/sh/tmux.sh b/sh/tmux.sh
index 85a616f..9213e01 100644
--- a/sh/tmux.sh
+++ b/sh/tmux.sh
@@ -6,7 +6,7 @@
 #= tma
 rwx_tmux_attach() {
 	local server="${1}"
-	if [ "${server}" ]; then
+	if [ -n "${server}" ]; then
 		tmux -L "${server}" attach-session
 	else
 		rwx_tmux_list
@@ -17,7 +17,7 @@ rwx_tmux_attach() {
 #= tmk
 rwx_tmux_kill() {
 	local server="${1}"
-	if [ "${server}" ]; then
+	if [ -n "${server}" ]; then
 		tmux -L "${server}" kill-server 2>"/dev/null"
 	else
 		rwx_tmux_list
@@ -27,7 +27,9 @@ rwx_tmux_kill() {
 # list
 #= tml
 rwx_tmux_list() {
-	ls "/tmp/tmux-$(id --user)"
+	local user_id
+	user_id="$(id --user)"
+	ls "/tmp/tmux-${user_id}"
 }
 
 # ╭──────┬───────╮