yelban · November 10, 2024 06:54 · Nov 10, 2024
diff --git a/script.sh b/script.sh
@@ -0,0 +1,134 @@
+#!/bin/bash
+# 遞迴搜尋並取代字串，支援預設排除目錄與預覽模式
+# 使用方式: ./script.sh [-p|--preview] "要尋找的字串" "要替換的字串"
+
+# 預設排除的目錄清單
+DEFAULT_EXCLUDES=(
+    "node_modules"
+    ".git"
+    ".next"
+    "dist"
+    "build"
+    ".cache"
+    ".terraform"
+    "coverage"
+    ".DS_Store"
+    ".idea"
+    ".vscode"
+    "__pycache__"
+    "vendor"
+    "tmp"
+    ".npm"
+    "logs"
+)
+
+# ANSI 顏色碼
+BLUE='\033[0;34m'
+CYAN='\033[0;36m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# 初始化預覽模式標記
+PREVIEW_MODE=0
+
+# 設定 UTF-8 編碼環境
+export LC_ALL=en_US.UTF-8
+export LANG=en_US.UTF-8
+export LC_CTYPE=en_US.UTF-8
+
+# 檢測作業系統型別並設定適當的 sed 命令
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    # macOS (BSD) sed
+    SED_CMD="sed -i ''"
+else
+    # GNU sed
+    SED_CMD="sed -i"
+fi
+
+# 解析命令列引數
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        -p|--preview)
+            PREVIEW_MODE=1
+            shift
+            ;;
+        *)
+            if [ -z "$FIND" ]; then
+                FIND="$1"
+            elif [ -z "$REPLACE" ]; then
+                REPLACE="$1"
+            fi
+            shift
+            ;;
+    esac
+done
+
+# 檢查必要引數
+if [ -z "$FIND" ] || [ -z "$REPLACE" ]; then
+    echo "Usage: $0 [-p|--preview] [find string] [replace string]"
+    echo "Options:"
+    echo "  -p, --preview    Preview files that would be modified without making changes"
+    exit 1
+fi
+
+# 構建 find 命令的排除路徑引數
+EXCLUDE_PARAMS=""
+for dir in "${DEFAULT_EXCLUDES[@]}"; do
+    EXCLUDE_PARAMS="$EXCLUDE_PARAMS -not -path '*/$dir/*'"
+done
+
+# 預覽受影響的檔案與內容
+preview_changes() {
+    local file="$1"
+    # 計算檔案中匹配的次數
+    local count=$(grep -c "$FIND" "$file")
+
+    echo -e "${BLUE}=== 檢查檔案: $file ${YELLOW}(找到 $count 處比對符合)${NC} ===${NC}"
+
+    # 使用 grep 顯示比對符合的行及其上下文（每個比對符合顯示前後 1 行）
+    # -n 選項新增行號
+    grep -n -C 1 --color=always "$FIND" "$file"
+    echo -e "${BLUE}----------------------------------------${NC}\n"
+}
+
+if [ $PREVIEW_MODE -eq 1 ]; then
+    echo -e "${CYAN}預覽模式: 將會影響以下檔案 (不會實際修改)${NC}"
+    echo -e "${CYAN}要搜尋的字串: '$FIND'${NC}"
+    echo -e "${CYAN}要替換成: '$REPLACE'${NC}"
+    echo -e "${BLUE}==========================================${NC}\n"
+
+    # 找出所有包含目標字串的檔案並顯示預覽
+    AFFECTED_FILES=$(eval "find . -type f $EXCLUDE_PARAMS -exec grep -l \"$FIND\" {} \;")
+
+    if [ -z "$AFFECTED_FILES" ]; then
+        echo -e "${CYAN}未找到任何包含目標字串的檔案${NC}"
+    else
+        # 對每個檔案顯示詳細預覽
+        TOTAL_MATCHES=0
+        while IFS= read -r file; do
+            # 計算當前檔案的匹配數
+            FILE_MATCHES=$(grep -c "$FIND" "$file")
+            TOTAL_MATCHES=$((TOTAL_MATCHES + FILE_MATCHES))
+            preview_changes "$file"
+        done <<< "$AFFECTED_FILES"
+
+        # 計算影響的檔案數量
+        FILE_COUNT=$(echo "$AFFECTED_FILES" | wc -l)
+        echo -e "${BLUE}==========================================${NC}"
+        echo -e "${CYAN}總計 $FILE_COUNT 個檔案將受影響${NC}"
+        echo -e "${CYAN}共找到 $TOTAL_MATCHES 處需要替換的文字${NC}"
+    fi
+else
+    echo "執行替換作業..."
+    # 針對 macOS 修改的替換命令
+    if [[ "$OSTYPE" == "darwin"* ]]; then
+        eval "find . -type f $EXCLUDE_PARAMS -exec $SED_CMD \"s|${FIND}|${REPLACE}|g\" {} \;"
+    else
+        eval "find . -type f $EXCLUDE_PARAMS -exec $SED_CMD \"s|${FIND}|${REPLACE}|g\" {} \;"
+    fi
+    echo "替換作業完成"
+fi
+
+exit 0
+