#!/bin/sh

PORTSDIR=${PORTSDIR:=/usr/ports}

echo "Searching...  This takes a while."
for file; do
    grep "/${file}\$" ${PORTSDIR}/print/texlive-*/pkg-plist | awk -F':' ' { n = split($1, a, "/"); print a[n-2]"/"a[n-1]" provides "$2 }'
done