Initial commit

extract_backup.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+INPUT_DIR="${1:-.}"
+OUTPUT_DIR="${2:-.}"
+
+if [ -z "$1" ]; then
+  echo "Usage: $0 <input_dir> [output_dir]"
+  echo "Concatenates all .tar.gz parts and extracts them"
+  exit 1
+fi
+
+PREFIX=""
+for f in "${INPUT_DIR}"/**.tar.gz; do
+  if [ -f "$f" ]; then
+    BASE=$(basename "$f")
+    # Убираем числовой суффикс для определения префикса
+    PREFIX=$(echo "$BASE" | sed -E 's/\.[0-9]+$//')
+    if [ -n "$PREFIX" ]; then
+      break
+    fi
+  fi
+done
+
+COMBINED="/tmp/${PREFIX}_combined.tar.gz"
+
+echo "Combining parts into ${COMBINED}..."
+# Собираем в правильном порядке: сначала базовый файл (без суффикса), затем части по порядку
+cat "${INPUT_DIR}/${PREFIX}" > "$COMBINED" 2>/dev/null
+for f in $(ls -v "${INPUT_DIR}/${PREFIX}".* 2>/dev/null); do
+  BASE=$(basename "$f")
+  if [[ "$BASE" =~ \.[0-9]+$ ]]; then
+    echo "Appending ${BASE}..."
+    cat "$f" >> "$COMBINED"
+  fi
+done
+
+echo "Extracting ${COMBINED} to ${OUTPUT_DIR}..."
+tar -xzf "$COMBINED" -C "$OUTPUT_DIR"
+
+if [ $? -eq 0 ]; then
+  echo "Extraction complete."
+  rm -f "$COMBINED"
+else
+  echo "Extraction failed. Combined file kept at ${COMBINED}"
+  exit 1
+fi