博客
关于我
python里面读取文件和保存文件的路径
阅读量:672 次
发布时间:2019-03-16

本文共 1231 字,大约阅读时间需要 4 分钟。

Modifying the original content to better meet technical writing standards while removing the requested elements (such as addresses, img tags, etc.):


Pandas and NumPy require absolute paths when reading or saving files, and there are specific format requirements. Below is an example:

data = pd.read_csv('E:/a/b/data.csv')np.savetxt('E:/a/b/data.csv', data, delimiter=',')

Why Absolute Paths?

  • Absolute paths ensure that the same file can be accessed from any working directory, avoiding confusion or file not found errors.
  • They are particularly useful for cross-platform compatibility, as they do not rely on the current working directory’s relative structure.

File path formatting tips:

  • Use double backslashes (\) in Windows environments, while Unix-based systems use single backslashes (\) or forward slashes (\/).
  • Ensure the file name and directory structure are explicitly defined.

Example usage:

import pandas as pdimport numpy as np# Load datadata = pd.read_csv(r'C:\path\to\file\filename.txt')# Save datanp.savetxt(r'C:\path\to\file\filename.txt', data, delimiter=',')

This formatting ensures consistent file access regardless of the operational environment. Always verify file paths before running scripts to prevent errors.

转载地址:http://qqjqz.baihongyu.com/

你可能感兴趣的文章
Python基础语法:理解代码与写代码
查看>>
Python基础语法:条件和分支
查看>>
Python基础语法:基本数据类型(数字类型和布尔类型)
查看>>
Python基础语法:基本数据类型(列表)
查看>>
Python基础语法:内置函数
查看>>
Python基础语法:你不得不知的几种变量类型
查看>>
Python基础语法教程,零基础入门到精通,看完这一篇就够了
查看>>
Python基础语法与执行脚本的3种方式
查看>>
python基础语法
查看>>
python基础语法
查看>>
python系列【仅供参考】:python测试开发基础---multiprocessing.Pool
查看>>
Python基础综合练习
查看>>
Python基础练习之一输出10000以内的阿姆斯特朗数
查看>>
Python基础系列讲解—动态类型语言的特点
查看>>
python基础系列四:字符串,列表,字典,元组之间的转换
查看>>
python基础篇(9):模块
查看>>
python基础篇(8):异常处理
查看>>
python基础篇(8):字符串常用处理汇总
查看>>
python基础篇(7):函数进阶知识点
查看>>
python基础篇(6):global关键字
查看>>