libvpx: Pull from upstream

source/libvpx/examples/gen_example_text.sh

Index: source/libvpx/examples/gen_example_text.sh
===================================================================
--- source/libvpx/examples/gen_example_text.sh	(revision 247498)
+++ source/libvpx/examples/gen_example_text.sh	(working copy)
@@ -1,84 +0,0 @@
-#!/bin/bash
-##
-##  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
-##
-##  Use of this source code is governed by a BSD-style license
-##  that can be found in the LICENSE file in the root of the source
-##  tree. An additional intellectual property rights grant can be found
-##  in the file PATENTS.  All contributing project authors may
-##  be found in the AUTHORS file in the root of the source tree.
-##
-
-
-# gen_example_text.sh
-
-self=$0
-
-die_usage() {
-    echo "Usage: $self <example.txt>"
-    exit 1
-}
-
-die() {
-    echo "$@"
-    exit 1
-}
-
-include_block() {
-    local on_block
-    while IFS=$'\n' read -r t_line; do
-        case "$t_line" in
-            \~*\ ${block_name})
-                if [ "x$on_block" == "xyes" ]; then
-                    return 0;
-                else
-                    on_block=yes
-                fi
-                ;;
-            *)
-                if [ "x$on_block" == "xyes" ]; then
-                    echo "$t_line"
-                fi
-                ;;
-        esac
-    done
-    echo "WARNING: failed to find text for block $block_name" >&2
-    return 1
-}
-
-txt=$1
-[ -f "$txt" ] || die_usage
-read -r template < "$txt"
-case "$template" in
-    @TEMPLATE*) template=${txt%/*}/${template##@TEMPLATE } ;;
-    *) die "Failed to parse template name from '$template'" ;;
-esac
-
-fence="~~~~~~~~~"
-fence="${fence}${fence}"
-fence="${fence}${fence}"
-fence="${fence}${fence}"
-while IFS=$'\n' read -r line; do
-    case "$line" in
-        @TEMPLATE*)
-            template=${template##@TEMPLATE }
-            template=${template%.c}.txt
-            ;;
-        @DEFAULT)
-            include_block < "$template"
-            ;;
-        ~~~*)
-            block_name=${line##~* }
-            [ "$block_name" == "INTRODUCTION" ] || echo "$fence"
-            ;;
-        *)  echo "$line"
-            ;;
-    esac
-done < "$txt"
-
-echo
-echo "Putting It All Together"
-echo "======================="
-echo "${fence}"
-${self%/*}/gen_example_code.sh "${txt}"
-echo "${fence}"