--- /dev/null
+#!/bin/sh
+
+file="${1}"
+ext="${file##*.}"
+dir=${file%/*}
+base="${file%.*}"
+
+cd "$dir" || exit 1
+
+case "$ext" in
+ [0-9]) preconv "$file" | refer -PS -e | groff -mandoc -T pdf > "$base".pdf ;;
+ ly)
+ lytarget="$(getcomproot "${file}" || echo "${file}")"
+ lilypuddle "${lytarget}"
+ ;;
+ mom) preconv "${file}" | refer -PS -e | groff -T pdf -m"${ext}" > "${base}.pdf" ;;
+ ms)
+ mstarget="$(getcomproot "${file}" || echo "${file}")"
+ cd "${mstarget%/*}"
+ preconv "${mstarget}" | soelim | refer -PS -e -p "$HOME/.local/share/groff/library.txt" | groff -U -ms -kept -dpaper=letter -T pdf > "${mstarget%.*}".pdf ;;
+ c) cc "${file}" -o "${base}" && "./${base}" ;;
+ cpp) g++ "${file}" -o "${base}" && "./${base}" ;;
+ cs) mcs "${file}" && mono "${base}.exe" ;;
+ go) go run "${file}" ;;
+ h) sudo make install ;;
+ java) javac -d classes "${file}" && java -cp classes "${base}" ;;
+ m) octave "${file}" ;;
+ md) [ -x "$(command -v lowdown)" ] && \
+ lowdown --parse-no-intraemph "${file}" -Tms | groff -mpdfmark -ms -kept -T pdf > "${base}.pdf" || \
+ [ -x "$(command -v groffdown)" ] && \
+ groffdown -i "${file}" | groff -T pdf > "${base}.pdf" || \
+ pandoc -t ms --highlight-style="kate" -s -o "${base}.pdf" "${file}" ;;
+ org) emacs "${file}" --batch -u "${USER}" -f org-latex-export-to-pdf ;;
+ py) python "${file}" ;;
+ [rR]md) Rscript -e "rmarkdown::render('${file}', quiet=TRUE)" ;;
+ rs) cargo build ;;
+ sass) sassc -a "${file}" "${base}.css" ;;
+ scad) openscad -o "${base}.stl" "${file}" ;;
+ sent) setsid -f sent "${file}" 2> "/dev/null" ;;
+ tex)
+ textarget="$(getcomproot "${file}" || echo "${file}")"
+ command="pdflatex"
+ head -n5 "${textarget}" | grep -qi "xelatex" && command="xelatex"
+ ${command} --output-directory="${textarget%/*}" "${textarget%.*}" &&
+ grep -qi addbibresource "${textarget}" &&
+ biber --input-directory "${textarget%/*}" "${textarget%.*}" &&
+ ${command} --output-directory="${textarget%/*}" "${textarget%.*}" &&
+ ${command} --output-directory="${textarget%/*}" "${textarget%.*}"
+ ;;
+ *) sed -n '/^#!/s/^#!//p; q' "${file}" | xargs -r -I % "${file}" ;;
+esac