#! /bin/sh

# Recursivly search the current directory for *.rdf.xz files,
# extract them and add them to the Virtuoso DB.

set -eu

# temp file that contains the current rdf file, extracted
# from .xz
EXTRACTED_FILE="/tmp/extracted.rdf"

# the file that contains the query to execute; virtuso
# doesn't want to read queries from shell args apperently
QUERY_FILE="/tmp/query.sparql"

# the graph to put all nodes into
GRAPH="http://mymath.org"

files=$(find . -name "*.rdf.xz")

for file in $files; do
    echo "$0: looking at $file" 1>&2
    xzcat "$file" > $EXTRACTED_FILE
    query="DB.DBA.RDF_LOAD_RDFXML_MT (file_to_string_output('$EXTRACTED_FILE'), '', '$GRAPH');"
    echo "$query" > $QUERY_FILE
    isql-v 1111 dba dba $QUERY_FILE
done