+
+ ### Image embedding for Inline styles
+ while expr "$tag" : '.*<[^>]*style="[^"]*url("\?[^)]\+\.\(png\|jpg\|jpeg\|gif\|svg\)"\?)'; do
+ pre="${tag%%url(*)*}"
+ post="${tag#*url(*)}"
+ file="${tag#${pre}url(}" file="${file%)$post}"
+ file="${file#\"}" file="${file%\"}"
+ echo Inlining Background Image "$file" >&2
+ if [ -r "$file" ]; then
+ tag="${pre}url('data:image/${file##*.};base64,$(base64 "$file")')${post}"
+ fi
+ done >/dev/null
+
+ ### Image embedding for Image tags
+ while expr "$tag" : '.*<img [^>]*src="[^"]\+\.\(png\|jpg\|jpeg\|gif\|svg\)"'; do
+ pre="${tag%%src=\"*\"*}"
+ post="${tag#*src=\"*\"}"
+ file="${tag#${pre}src=\"}" file="${file%\"$post}"
+ echo Inlining Image "$file" >&2
+ if [ -r "$file" ]; then
+ tag="${pre}src=\"data:image/${file##*.};base64,$(base64 "${file}")\"${post}"
+ fi
+ done >/dev/null
+
+ ### Tag Processing