#!/usr/bin/env bash

# $var:t    ${var##*/}
# $var:h    ${var%/*}
# $var:e    ${var##*.}
# $var:r    ${var%.*}

# Subset sources.bib bibliography file per citations in $1.aux;
# uses query command similar to csh alias 'bib'


echo query ~/tex/sources.bib .O

echo `sed -n 's+\\citation{\(.*\)}+\1+p' ${1%.*}.aux | tr ',' ' '`
( echo -n "query ~/tex/sources.bib .O ";
  sed -n 's+\\citation{\(.*\)}+\1+p' ${1%.*}.aux | tr ',\012' '  ') | bash