Add script to delete not utf8 java files and run it

filters/041-delete-non-unicode.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+# The MIT License (MIT)
+#
+# Copyright (c) 2021-2024 Timur Harin
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+set -e
+set -o pipefail
+
+home=$1
+temp=$2
+
+total=$(find "${home}" -type f | wc -l)
+
+list=${temp}/filter-lists/non-unicode-files.txt
+if [ -e "${list}" ]; then
+    exit
+fi
+
+mkdir -p "$(dirname "${list}")"
+find "${home}" -type f -not -name '*.java' -print > "${list}"
+while IFS= read -r f; do
+    rm -f "${f}"
+done < "${list}"
+
+if [ -s "${list}" ]; then
+    printf "%'d files out of %'d without the .java extension were deleted\n" \
+        "$(wc -l < "${list}" | xargs)" "${total}"
+else
+    printf "%'d files were .java files, nothing was deleted\n" \
+        "${total}"
+fi