Add rdf2turtle.sh script to 'reverse-engineer' RDF files.

1 files changed, 18 insertions, 0 deletions

diff --git a/foaf/rdf2turtle.sh b/foaf/rdf2turtle.sh
new file mode 100755
index 0000000..676cd25
--- /dev/null
+++ b/foaf/rdf2turtle.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+set -e
+
+rdffile="$1"
+ttlfile="${2:-$(basename "$rdffile" .rdf).ttl}"
+
+exit1() {
+	echo "ERROR: $1"
+	exit 1
+}
+
+[ -e "$rdffile" ] || exit1 "RDF file \"$rdffile\" does not exist."
+[ ! -e "$ttlfile" ] || exit1 "Turtle file \"$ttlfile\" already exists."
+
+base="$(perl -ne '/\bxml:base="(http.+)"/ and print $1 and exit;' "$rdffile")" || true #'
+rapper -i rdfxml ${base:+-O "$base"} -o turtle "$rdffile" > "$ttlfile"
+perl -i -pe 's/ {4}/\t/g' "$ttlfile"