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diff --git a/src/librelib b/src/librelib
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+#!/bin/bash
+# Copyright (c) 2013 by Luke Shumaker <lukeshu@sbcglobal.net>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+default_libdir=/usr/lib/libretools
+
+cmd=${0##*/}
+usage() {
+ print 'Usage: . $(%s LIBRARY)' "$cmd"
+ print "Finds a shell library file"
+ echo
+ print "While some libraries can be sourced just by their name because"
+ print "they are installed in PATH (like libremessages), some are not"
+ print "installed there (like conf.sh), so path must be given."
+ print "Hardcoding that path is the way of the dark side."
+ echo
+ print "By default, it looks for the files in '%s'," "$default_libdir"
+ print "but this can be changed with the environmental variable"
+ print "LIBRETOOLS_LIBDIR."
+ echo
+ print "Example usage:"
+ print ' . $(librelib conf.sh)'
+}
+
+main() {
+ if [[ $# != 1 ]]; then
+ usage >&2
+ return 2
+ fi
+
+ if [[ -z $LIBRETOOLS_LIBDIR ]]; then
+ export LIBRETOOLS_LIBDIR=$default_libdir
+ fi
+
+ lib=$1
+ lib=${lib#libre}
+ lib=${lib%.sh}
+
+ for file in ${lib} libre${lib} ${lib}.sh libre${lib}.sh; do
+ if [[ -f "$LIBRETOOLS_LIBDIR/$file" ]]; then
+ printf '%s\n' "$LIBRETOOLS_LIBDIR/$file"
+ return 0;
+ fi
+ done
+ return 1
+}
+
+main "$@"