如何在KDevelop中为源文件添加GPL许可证？KDevelop 5能否自动插入通用头注释？

刚好对KDevelop的这个功能比较熟悉，我来一步步告诉你怎么操作：

一、手动为单个源文件添加GPL许可证 #

如果你只需要给少数几个文件添加，直接手动插入就行，注意根据文件类型调整注释格式：

• 对于C/C++、Java这类用/* */块注释的文件，在最顶部插入类似这样的内容：

/*
 * Copyright (C) [你的年份] [你的名字/组织名称]
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

• 对于Python、Shell脚本这类用#单行注释的文件，格式改成：

# Copyright (C) [你的年份] [你的名字/组织名称]
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

二、KDevelop 5中自动为新文件插入GPL头部注释 #

如果想让每个新建的源文件都自动带上GPL许可证，利用KDevelop的文件模板功能就能实现，步骤如下：

1. 打开KDevelop的配置面板：点击顶部菜单栏的Settings -> Configure KDevelop...
2. 在左侧导航栏里找到Source Code -> File Templates
3. 在右侧的模板列表里，选择你需要设置的文件类型（比如C++ Source、Python Script等），然后点击Edit按钮
4. 在模板编辑界面，把GPL许可证的注释文本放到模板的最开头，还可以用KDevelop的内置变量自动填充信息，常用的变量有：
   • %{CURRENT_YEAR}：自动填入当前年份
   • %{USER}：自动填入你的用户名（可以在配置里修改默认值）
   • %{PROJECT_NAME}：自动填入当前项目的名称
     举个配置好的C++源文件模板例子：

   /*
    * Copyright (C) %{CURRENT_YEAR} %{USER}
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    * GNU General Public License for more details.
    *
    * You should have received a copy of the GNU General Public License
    * along with this program.  If not, see <https://www.gnu.org/licenses/>.
    */
   
   #include "%{HEADER_FILE}"
   
   int main() {
       return 0;
   }
   

5. 编辑完成后点击OK保存模板，之后每次新建对应类型的文件，KDevelop都会自动把带GPL许可证的头部插入进去。

补充：批量处理已有文件 #

如果你的项目里已经有一堆旧文件需要添加许可证，KDevelop没有内置的批量工具，不过可以自己写个简单的脚本（比如Python）来遍历所有源文件，检查开头是否已有许可证注释，没有的话就插入。

内容的提问来源于stack exchange，提问作者Ángel