diff --git a/global/common.zsh b/global/common.zsh
index 656ace2..25b597d 100644
--- a/global/common.zsh
+++ b/global/common.zsh
@@ -15,17 +15,27 @@ __ENV_TEMPLATE=$SCWRYPTS_ROOT/.env.template
 
 #####################################################################
 
+__GET_PATH_TO_RELATIVE_ARGUMENT() {
+	[[ $1 =~ ^[.] ]] \
+		&& echo $(readlink -f "$EXECUTION_DIR/$1") \
+		|| echo "$1" \
+		;
+	true
+}
+
+#####################################################################
+
 __RUN_SCWRYPT() {
 	((SUBSCWRYPT+=1))
-	printf ' '; printf '--%.0s' {1..$SUBSCWRYPT}; printf " ($SUBSCWRYPT) "
-	echo "  BEGIN SUBSCWRYPT : $(basename $1)"
+	{ printf ' '; printf '--%.0s' {1..$SUBSCWRYPT}; printf " ($SUBSCWRYPT) "; } >&2
+	echo "  BEGIN SUBSCWRYPT : $(basename $1)" >&2
 
 	SUBSCWRYPT=$SUBSCWRYPT SCWRYPTS_ENV=$ENV_NAME \
 		"$SCWRYPTS_ROOT/scwrypts" $@
 	EXIT_CODE=$?
 
-	printf ' '; printf '--%.0s' {1..$SUBSCWRYPT}; printf " ($SUBSCWRYPT) "
-	echo "  END SUBSCWRYPT   : $(basename $1)"
+	{ printf ' '; printf '--%.0s' {1..$SUBSCWRYPT}; printf " ($SUBSCWRYPT) "; } >&2
+	echo "  END SUBSCWRYPT   : $(basename $1)" >&2
 	((SUBSCWRYPT-=1))
 
 	return $EXIT_CODE
diff --git a/run b/run
index 7d5a86f..826c83d 100755
--- a/run
+++ b/run
@@ -1,4 +1,6 @@
 #!/bin/zsh
+export EXECUTION_DIR=$(pwd)
+
 SCWRYPTS_ROOT="${0:a:h}"
 source "$SCWRYPTS_ROOT/zsh/common.zsh" || exit 42
 #####################################################################
@@ -14,7 +16,6 @@ OPTIONS
 
   -h, --help             display this message and exit
 '
-
 	cd "$SCWRYPTS_ROOT"
 
 	local ENV_NAME="$SCWRYPTS_ENV"
@@ -103,7 +104,7 @@ OPTIONS
 
 	[ ! $LOGFILE ] && {
 		[ $HEADER ] && echo $HEADER
-		[[ $SUBSCWRYPT -eq 0 ]] && {
+		[ $SUBSCWRYPT ] && {
 			eval $RUN_STRING $@
 			exit $?
 		} || {
diff --git a/zsh/db/run-sql/common.zsh b/zsh/db/run-sql/common.zsh
new file mode 100644
index 0000000..1191a72
--- /dev/null
+++ b/zsh/db/run-sql/common.zsh
@@ -0,0 +1,4 @@
+_DEPENDENCIES+=()
+_REQUIRED_ENV+=()
+source ${0:a:h}/../common.zsh
+#####################################################################
diff --git a/zsh/db/run-sql/postgres b/zsh/db/run-sql/postgres
new file mode 100755
index 0000000..5da5727
--- /dev/null
+++ b/zsh/db/run-sql/postgres
@@ -0,0 +1,72 @@
+#!/bin/zsh
+_DEPENDENCIES+=(
+	psql
+)
+_REQUIRED_ENV+=()
+source ${0:a:h}/common.zsh
+#####################################################################
+
+_RUN_SQL_POSTGRES() {
+	local _HOST _NAME _PASS _PORT _USER INPUT_FILE
+
+	while [[ $# -gt 0 ]]
+	do
+		case $1 in
+			--host | -h ) _HOST="$2"; shift 2 ;;
+			--name | -d ) _NAME="$2"; shift 2 ;;
+			--pass | -w ) _PASS="$2"; shift 2 ;;
+			--port | -p ) _PORT="$2"; shift 2 ;;
+			--user | -U ) _USER="$2"; shift 2 ;;
+			--file | -i ) INPUT_FILE="$2"; shift 2 ;;
+			* ) shift 1 ;;
+		esac
+	done
+
+	[ ! $_HOST ] && _HOST=127.0.0.1
+	[ ! $_NAME ] && _NAME=postgres
+	[ ! $_PORT ] && _PORT=5432
+	[ ! $_USER ] && _USER=postgres
+
+	local SQL_DIR="$SCWRYPTS_DATA_PATH/sql"
+	[ ! -d $SQL_DIR ] && mkdir -p $SQL_DIR
+	cd $SQL_DIR
+
+	[[ $(ls "*.sql" 2>&1 | wc -l) -eq 0 ]] && {
+		__ERROR "you haven't made any SQL commands yet"
+		__REMINDER "add '.sql' files here: '$SQL_DIR/'"
+		exit 1
+	}
+
+	[ ! $INPUT_FILE ] && INPUT_FILE=$(\
+		__FZF 'select a sql file to run'
+	)
+	[ ! $INPUT_FILE ] && __ABORT
+
+	[ ! -f $INPUT_FILE ] && {
+		__FAIL 2 "no such sql file '$SQL_DIR/$INPUT_FILE'"
+	}
+
+	__STATUS "loading $INPUT_FILE preview..."
+	_LESS $INPUT_FILE
+
+	__STATUS "login   : $_USER@$_HOST:$_PORT/$_NAME"
+	__STATUS "command : ./$INPUT_FILE"
+
+	__yN 'run this command?' || __ABORT
+
+	__STATUS "running './$INPUT_FILE'"
+	PGPASSWORD="$_PASS" psql \
+		-h $_HOST \
+		-p $_PORT \
+		-U $_USER \
+		-d $_NAME \
+		< $INPUT_FILE \
+		&& __SUCCESS "finished running './$INPUT_FILE'" \
+		|| __FAIL 3 "something went wrong running './$INPUT_FILE' (see above)"
+}
+
+#####################################################################
+__WARNING
+__WARNING 'this function is in a beta state'
+__WARNING
+_RUN_SQL_POSTGRES $@
diff --git a/zsh/latex/build-pdf b/zsh/latex/build-pdf
new file mode 100755
index 0000000..0902495
--- /dev/null
+++ b/zsh/latex/build-pdf
@@ -0,0 +1,31 @@
+#!/bin/zsh
+_DEPENDENCIES+=(
+	pdflatex
+	rg
+)
+_REQUIRED_ENV+=()
+source ${0:a:h}/common.zsh
+#####################################################################
+
+PDFLATEX() {
+	[ ! $1 ] && __FAIL 1 'must provide filename'
+	local FILENAME=$(GET_MAIN_LATEX_FILENAME "$1")
+
+	local ARGS=(-interaction=nonstopmode)
+	ARGS+=("$FILENAME")
+
+	cd "$(dirname $FILENAME)"
+
+	__STATUS 'running compile (1/2)'
+	pdflatex ${ARGS[@]} \
+		|| __FAIL 2 'first compile failed (see above)'
+
+	__STATUS 'running compile (2/2)'
+	pdflatex ${ARGS[@]} >/dev/null 2>&1 \
+		|| __FAIL 3 'second compile failed :c'
+
+	__SUCCESS "created '$(echo $FILENAME | sed 's/\.[^.]*$/.pdf/')'"
+}
+
+#####################################################################
+PDFLATEX $@
diff --git a/zsh/latex/cleanup b/zsh/latex/cleanup
new file mode 100755
index 0000000..28fc576
--- /dev/null
+++ b/zsh/latex/cleanup
@@ -0,0 +1,20 @@
+#!/bin/zsh
+_DEPENDENCIES+=()
+_REQUIRED_ENV+=()
+source ${0:a:h}/common.zsh
+#####################################################################
+
+CLEAN_LATEX_LOGFILES() {
+	local DIRECTORY=$(__GET_PATH_TO_RELATIVE_ARGUMENT ".")
+	[ $1 ] && DIRECTORY="$(dirname "$(GET_MAIN_LATEX_FILENAME "$1")")"
+	[ $DIRECTORY ] && [ -d $DIRECTORY ] \
+		|| __FAIL 1 'unable to parse valid directory'
+
+	cd $DIRECTORY
+	rm $(ls | grep '\.\(aux\)\|\(log\)\|\(pdf\)\|\(out\)\|\(dvi\)$')
+
+	__SUCCESS "cleaned up latex artifacts in '$DIRECTORY'"
+}
+
+#####################################################################
+CLEAN_LATEX_LOGFILES $@
diff --git a/zsh/latex/common.zsh b/zsh/latex/common.zsh
new file mode 100644
index 0000000..d91aa77
--- /dev/null
+++ b/zsh/latex/common.zsh
@@ -0,0 +1,34 @@
+_DEPENDENCIES+=(
+	rg
+)
+_REQUIRED_ENV+=()
+source ${0:a:h}/../common.zsh
+#####################################################################
+
+GET_MAIN_LATEX_FILENAME() {
+	local FILENAME=$(__GET_PATH_TO_RELATIVE_ARGUMENT "$1")
+	local DIRNAME="$FILENAME"
+
+	for _ in {1..3}
+	do
+		CHECK_IS_MAIN_LATEX_FILE && return 0
+		DIRNAME="$(dirname "$FILENAME")"
+		__STATUS "checking '$DIRNAME'"
+		[[ $DIRNAME =~ ^$HOME$ ]] && break
+		FILENAME=$(
+			rg -l --max-depth 1 'documentclass' "$DIRNAME/" \
+				| grep '\.tex$' \
+				| head -n1 \
+		)
+		__STATUS "here is '$FILENAME'"
+	done
+
+	__WARNING 'unable to find documentclass; pdflatex will probably fail'
+	echo "$1"
+}
+
+CHECK_IS_MAIN_LATEX_FILE() {
+	[ ! $FILENAME ] && return 1
+	grep -q 'documentclass' $FILENAME 2>/dev/null && echo $FILENAME || return 3
+}
+
diff --git a/zsh/latex/create-new b/zsh/latex/create-new
new file mode 100755
index 0000000..1cee37a
--- /dev/null
+++ b/zsh/latex/create-new
@@ -0,0 +1,63 @@
+#!/bin/zsh
+_DEPENDENCIES+=(
+	pdflatex
+	rg
+)
+_REQUIRED_ENV+=()
+
+TEMPLATE_DIR="${0:a:h}/templates"
+
+source ${0:a:h}/common.zsh
+#####################################################################
+
+CREATE_NEW_LATEX_DOCUMENT_FROM_TEMPLATE() {
+	local DOCUMENT_DIR="$EXECUTION_DIR"
+	local TEMPLATE=$(GET_TEMPLATES | __FZF 'select a template')
+	[ ! $TEMPLATE ] && __ABORT
+	__SUCCESS "selected template '$TEMPLATE'"
+
+	__INPUT DOC_TITLE 'document title' || __ABORT
+
+	local DOCUMENT_FILE="$DOCUMENT_DIR/$(SLUGIFY_TITLE).tex"
+	[ -f "$DOCUMENT_FILE" ] && __FAIL 1 "'$(basename $DOCUMENT_FILE)' already exists"
+
+	__INPUT DOC_ID    'document id/subtitle'
+	__INPUT AUTHOR    'author name'
+	__INPUT AUTHOR_ID 'author id/title'
+
+	{
+		PRINT_TITLE_INFO 
+		cat "$TEMPLATE_DIR/$TEMPLATE/template.tex"
+	} > "$DOCUMENT_FILE"
+	cp "$TEMPLATE_DIR/gitignore" "$DOCUMENT_DIR/.gitignore"
+	for FILE in $(find "$TEMPLATE_DIR/$TEMPLATE" -type f | grep -v '/template.tex$')
+	do
+		cp "$FILE" "$DOCUMENT_DIR/" || return 2
+	done
+	[[ ! $TEMPLATE =~ ^basic$ ]] \
+		&& mkdir "$DOCUMENT_DIR/sections" "$DOCUMENT_DIR/graphics"
+
+	__SUCCESS "finished generating '$(basename $DOCUMENT_FILE)' from '$TEMPLATE'"
+}
+
+GET_TEMPLATES() {
+	find "$TEMPLATE_DIR" -type d | sed "s^$TEMPLATE_DIR/*^^; /^$/d"
+}
+
+PRINT_TITLE_INFO() {
+	local DATESTRING=$(date '+%B %_d, %Y' | sed 's/ \{1,\}/ /g')
+	sed "
+		s^LATEX-DOC-TITLE^$DOC_TITLE^
+		s^LATEX-DOC-DATE^$DATESTRING^
+		s^LATEX-DOC-ID^$DOC_ID^
+		s^LATEX-AUTHOR-NAME^$AUTHOR^
+		s^LATEX-AUTHOR-ID^$AUTHOR_ID^
+	" "$TEMPLATE_DIR/main.tex"
+}
+
+SLUGIFY_TITLE() {
+	echo $DOC_TITLE | sed "s^['\"\\/,\!@#\$%^&*()]*^^g; s^\s\+^-^g;"
+}
+
+#####################################################################
+CREATE_NEW_LATEX_DOCUMENT_FROM_TEMPLATE $@
diff --git a/zsh/latex/get-pdf b/zsh/latex/get-pdf
new file mode 100755
index 0000000..42a776c
--- /dev/null
+++ b/zsh/latex/get-pdf
@@ -0,0 +1,15 @@
+#!/bin/zsh
+_DEPENDENCIES+=()
+_REQUIRED_ENV+=()
+source ${0:a:h}/common.zsh
+#####################################################################
+
+GET_PDF() {
+	local FILENAME=$(GET_MAIN_LATEX_FILENAME "$1" | sed 's/\.[^.]*$/.pdf/')
+	[ $FILENAME ] && [ -f $FILENAME ] || __FAIL 1 "no compiled pdf found for '$1'; have you run 'build-pdf'?"
+	__SUCCESS 'found main pdf'
+	echo $FILENAME
+}
+
+#####################################################################
+GET_PDF $@
diff --git a/zsh/latex/open-pdf b/zsh/latex/open-pdf
new file mode 100755
index 0000000..9343eaf
--- /dev/null
+++ b/zsh/latex/open-pdf
@@ -0,0 +1,15 @@
+#!/bin/zsh
+_DEPENDENCIES+=()
+_REQUIRED_ENV+=()
+source ${0:a:h}/common.zsh
+#####################################################################
+
+OPEN_PDF() {
+	local PDF=$(__RUN_SCWRYPT latex/get-pdf -n -- $1)
+	[ ! $PDF ] && return 1
+
+	__OPEN "$PDF"
+}
+
+#####################################################################
+OPEN_PDF $@
diff --git a/zsh/latex/templates/basic/template.tex b/zsh/latex/templates/basic/template.tex
new file mode 100644
index 0000000..2b79211
--- /dev/null
+++ b/zsh/latex/templates/basic/template.tex
@@ -0,0 +1,37 @@
+\usepackage[margin=.75in,bottom=0.5in,top=1.0in]{geometry}
+
+\usepackage{enumitem}
+\usepackage{fancyhdr}
+\usepackage{hyperref}
+\usepackage{lastpage}
+
+\newcommand{\headerL}     {\documentTitle: \documentDate}
+\newcommand{\headerC}     {\documentId}
+\newcommand{\headerR}     {\authorName\ (\authorId)}
+\newcommand{\pageOfTotal} {\thepage\ of~\pageref{LastPage}}
+
+\pagestyle{fancy}
+\fancypagestyle{plain}{%
+	\fancyhf{}
+	\fancyhead[L]{\headerL}\fancyhead[R]{\headerR}\fancyhead[C]{\headerC}
+	\fancyfoot[C]{\pageOfTotal}
+}
+
+\renewcommand{\baselinestretch}{1}
+\setlength{\parskip}{0em}
+\hyphenpenalty=5000%
+
+\fancyhf{}
+\fancyhead[L]{\headerL}\fancyhead[R]{\headerR}\fancyhead[C]{\headerC}
+\fancyfoot[C]{\pageOfTotal}
+
+\title{\documentTitle}
+\author{\authorName\ \\ \authorId}
+\date{\documentDate}
+
+\begin{document}
+\maketitle%
+% ---------------------------------------------------------------------
+
+% ---------------------------------------------------------------------
+\end{document}
diff --git a/zsh/latex/templates/gitignore b/zsh/latex/templates/gitignore
new file mode 100644
index 0000000..d41eaa3
--- /dev/null
+++ b/zsh/latex/templates/gitignore
@@ -0,0 +1,5 @@
+*.aux
+*.log
+*.out
+*.pdf
+*.dvi
diff --git a/zsh/latex/templates/main.tex b/zsh/latex/templates/main.tex
new file mode 100644
index 0000000..16ba717
--- /dev/null
+++ b/zsh/latex/templates/main.tex
@@ -0,0 +1,9 @@
+\documentclass[letterpaper]{article}
+
+\newcommand{\documentTitle} {LATEX-DOC-TITLE}
+\newcommand{\documentDate}  {LATEX-DOC-DATE}
+\newcommand{\documentId}    {LATEX-DOC-ID}
+
+\newcommand{\authorName}    {LATEX-AUTHOR-NAME}
+\newcommand{\authorId}      {LATEX-AUTHOR-ID}
+
diff --git a/zsh/latex/templates/math/code.sty b/zsh/latex/templates/math/code.sty
new file mode 100644
index 0000000..9cc6e16
--- /dev/null
+++ b/zsh/latex/templates/math/code.sty
@@ -0,0 +1,11 @@
+\ProvidesPackage{code}
+% ---------------------------------------------------------------------
+
+\newcommand{\clispsnippet}[2]{%
+	\lstinputlisting[%
+		caption=#1,
+		language=Lisp,
+		showstringspaces=false,
+		numbers=left,
+	]{#2}
+}
diff --git a/zsh/latex/templates/math/formatting.sty b/zsh/latex/templates/math/formatting.sty
new file mode 100644
index 0000000..8781a68
--- /dev/null
+++ b/zsh/latex/templates/math/formatting.sty
@@ -0,0 +1,46 @@
+\ProvidesPackage{formatting}
+% ---------------------------------------------------------------------
+
+\newcommand{\headerLeft}   {\documentTitle: \documentDate}
+\newcommand{\headerCenter} {\documentId}
+\newcommand{\headerRight}  {\authorName\ (\authorId)}
+\newcommand{\pageOfTotal}  {\thepage\ of~\pageref{LastPage}}
+
+\newtheorem{theorem}{Theorem}[section]
+\newtheorem{lemma}[theorem]{Lemma}
+\newtheorem{corollary}{Corollary}[theorem]
+
+\RequirePackage[margin=1in,bottom=.5in,includefoot]{geometry}
+\RequirePackage{lastpage}
+\RequirePackage{fancyhdr}
+
+% ---------------------------------------------------------------------
+% Page 1
+
+\pagestyle{fancy}
+\fancypagestyle{plain}{%
+	\fancyhf{}
+	\fancyhead[L]{\headerLeft}
+	\fancyhead[R]{\headerRight}
+	\fancyhead[C]{\headerCenter}
+	\fancyfoot[C]{\pageOfTotal}
+}
+
+\renewcommand{\baselinestretch}{1}
+\setlength{\parskip}{0em}
+\setlength{\parindent}{0em}
+
+% ---------------------------------------------------------------------
+% Pages 2+
+
+\fancyhf{}
+\fancyhead[L]{\headerLeft}
+\fancyhead[R]{\headerRight}
+\fancyhead[C]{\headerCenter}
+\fancyfoot[C]{\pageOfTotal}
+
+% ---------------------------------------------------------------------
+
+\title{\documentTitle}
+\author{\authorName\ \\ \authorId}
+\date{\documentDate}
diff --git a/zsh/latex/templates/math/gitignore b/zsh/latex/templates/math/gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/zsh/latex/templates/math/imports.sty b/zsh/latex/templates/math/imports.sty
new file mode 100644
index 0000000..8027bc9
--- /dev/null
+++ b/zsh/latex/templates/math/imports.sty
@@ -0,0 +1,16 @@
+\ProvidesPackage{imports}
+% ---------------------------------------------------------------------
+
+\RequirePackage{amssymb} % "bold" math letters (e.g. set of integers ℤ)
+\RequirePackage{amsmath} % advanced math symbols
+
+\RequirePackage{listings} % code snippet styling block
+
+\RequirePackage{tikz} % graphic drawing / generation
+\usetikzlibrary{arrows,automata}
+\usetikzlibrary{trees}
+
+\RequirePackage{graphicx} % include images
+\graphicspath{{./graphics/}}
+
+\RequirePackage[english]{babel} % -- English compilation rules
diff --git a/zsh/latex/templates/math/shorthand.sty b/zsh/latex/templates/math/shorthand.sty
new file mode 100644
index 0000000..103aefc
--- /dev/null
+++ b/zsh/latex/templates/math/shorthand.sty
@@ -0,0 +1,13 @@
+\ProvidesPackage{shorthand}
+% ---------------------------------------------------------------------
+
+\newcommand{\egfcoefficient}{\ensuremath{\left[\frac{x^n}{n!}\right]}}
+\newcommand{\ogfcoefficient}{\ensuremath{\left[x^n\right]}}
+\newcommand{\falling}[1]{^{\underline{#1}}}
+\newcommand{\divides}{\ensuremath{\;\backslash\;}}
+
+\newcommand{\sumgz}{\ensuremath{\sum_{n\geq 0}}}
+\newcommand{\sumdiv}{\ensuremath{\sum_{d\divides n}}}
+
+\newcommand{\union}{\ensuremath{\cup}}
+\newcommand{\intersect}{\ensuremath{\cap}}
diff --git a/zsh/latex/templates/math/template.tex b/zsh/latex/templates/math/template.tex
new file mode 100644
index 0000000..afae7d1
--- /dev/null
+++ b/zsh/latex/templates/math/template.tex
@@ -0,0 +1,12 @@
+\usepackage{imports}
+\usepackage{formatting}
+\usepackage{shorthand}
+\usepackage{code}
+
+\begin{document}
+\maketitle
+% ---------------------------------------------------------------------
+% \input{sections/01.introduction.tex}
+% \includegraphic{graphics/diagram-a.png}
+% ---------------------------------------------------------------------
+\end{document}
diff --git a/zsh/latex/templates/times-new-roman-12/custom-headers.sty b/zsh/latex/templates/times-new-roman-12/custom-headers.sty
new file mode 100644
index 0000000..9dd0034
--- /dev/null
+++ b/zsh/latex/templates/times-new-roman-12/custom-headers.sty
@@ -0,0 +1,7 @@
+\ProvidesPackage{custom-headers}
+% ---------------------------------------------------------------------
+
+\newcommand{\firstH}[1]  {\begin{large}\textbf{#1}\end{large}\par}
+\newcommand{\secondH}[1] {\textbf{#1}\par}
+\newcommand{\thirdH}[1]  {\textbf{#1}. }
+\newcommand{\fourthH}[1] {\textbf{\textit{#1}}. }
diff --git a/zsh/latex/templates/times-new-roman-12/formatting.sty b/zsh/latex/templates/times-new-roman-12/formatting.sty
new file mode 100644
index 0000000..2f3b2a1
--- /dev/null
+++ b/zsh/latex/templates/times-new-roman-12/formatting.sty
@@ -0,0 +1,31 @@
+\ProvidesPackage{formatting}
+% ---------------------------------------------------------------------
+
+\newcommand{\horizontalHeader} {%
+	\authorName\hfill
+	\authorId\hfill
+	\documentId\hfill
+	\documentDate%
+}
+
+\RequirePackage[margin=1in]{geometry}
+\RequirePackage{fancyhdr}
+
+% ---------------------------------------------------------------------
+
+\pagestyle{fancy}
+\renewcommand{\headrulewidth}{0pt}
+\fancyhead[C]{\horizontalHeader}
+\fancyfoot[C]{\thepage}
+
+\renewcommand{\baselinestretch}{1}
+\setlength{\parskip}{1em}
+\setlength{\parindent}{0em}
+\raggedright%
+
+% ---------------------------------------------------------------------
+
+\newcommand{\insertTitle} {%
+	\centerline{\begin{large}\textbf{\documentTitle}\end{large}}
+}
+
diff --git a/zsh/latex/templates/times-new-roman-12/imports.sty b/zsh/latex/templates/times-new-roman-12/imports.sty
new file mode 100644
index 0000000..e166963
--- /dev/null
+++ b/zsh/latex/templates/times-new-roman-12/imports.sty
@@ -0,0 +1,11 @@
+\ProvidesPackage{imports}
+% ---------------------------------------------------------------------
+
+\RequirePackage{times} % "Times New Roman" font
+
+\RequirePackage{kantlipsum} % generate Kantian lorem ipsum
+
+\RequirePackage{graphicx} % include images
+\graphicspath{{./graphics/}}
+
+\RequirePackage[english]{babel} % -- English compilation rules
diff --git a/zsh/latex/templates/times-new-roman-12/template.tex b/zsh/latex/templates/times-new-roman-12/template.tex
new file mode 100644
index 0000000..1654e12
--- /dev/null
+++ b/zsh/latex/templates/times-new-roman-12/template.tex
@@ -0,0 +1,15 @@
+\usepackage{imports}
+\usepackage{formatting}
+\usepackage{custom-headers}
+
+\begin{document}
+\insertTitle%
+% ---------------------------------------------------------------------
+
+% \input{sections/abstract.tex}
+% \includgraphics{graphics/table-a.png}
+\firstH{First-level Header}
+\kant%
+
+% ---------------------------------------------------------------------
+\end{document}
diff --git a/zsh/utils/dependencies.zsh b/zsh/utils/dependencies.zsh
index f738b10..558c28a 100644
--- a/zsh/utils/dependencies.zsh
+++ b/zsh/utils/dependencies.zsh
@@ -17,7 +17,7 @@ __CHECK_DEPENDENCY() {
 }
 
 __CHECK_COREUTILS() {
-	local COREUTILS=(awk find grep sed)
+	local COREUTILS=(awk find grep sed readlink)
 	local MISSING_DEPENDENCY_COUNT=0
 	local NON_GNU_DEPENDENCY_COUNT=0
 
diff --git a/zsh/utils/io.zsh b/zsh/utils/io.zsh
index c89c704..9b1a24e 100644
--- a/zsh/utils/io.zsh
+++ b/zsh/utils/io.zsh
@@ -23,6 +23,13 @@ __PROMPT() {
 __FAIL()  { __ERROR "${@:2}"; exit $1; }
 __ABORT() { __FAIL 69 'user abort'; }
 
+__INPUT() {
+	__PROMPT "${@:2}"
+	__READ $1
+	local VALUE=$(eval echo '$'$1)
+	[ $VALUE ]
+}
+
 __Yn() {
 	__PROMPT "$@ [Yn]"
 	[ $CI ] && { echo y; return 0; }