xdrgen: Add a utility for extracting XDR from RFCs

For convenience, copy the XDR extraction script from RFC

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/tools/net/sunrpc/extract.sh b/tools/net/sunrpc/extract.sh
new file mode 100755
index 000000000000..f944066f25bc
--- /dev/null
+++ b/tools/net/sunrpc/extract.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Extract an RPC protocol specification from an RFC document.
+# The version of this script comes from RFC 8166.
+#
+# Usage:
+#  $ extract.sh < rfcNNNN.txt > protocol.x
+#
+
+grep '^ *///' | sed 's?^ */// ??' | sed 's?^ *///$??'