将csv读取的某列数据转化为str类型并只保存纯文本并存成txt
时间: 2023-08-11 12:08:40
浏览: 135
好的,您可以使用Python的pandas库来读取csv文件,将指定列的数据转化为str类型,并使用[正则[表达](https://geek.csdn.net/educolumn/1410a16bee391aa5cfc33ba70e3247b7?spm=1055.2569.3001.10083)式](https://geek.csdn.net/educolumn/b04e5fff38104b983e9ace05416bf01b?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083)来过滤掉非文本字符,最后将纯文本保存为txt文件。以下是示例[代码](https://geek.csdn.net/educolumn/1572ef9b473b4e00f6b2bf6d428b7c27?spm=1055.2569.3001.10083):
``` python
import pandas as pd
import re
# 读取csv文件
df = pd.read_csv('your_file.csv')
# 获取某一列的数据并转化为str类型
col_data = df['your_column'].astype(str)
# [正则[表达](https://geek.csdn.net/educolumn/1410a16bee391aa5cfc33ba70e3247b7?spm=1055.2569.3001.10083)式](https://geek.csdn.net/educolumn/b04e5fff38104b983e9ace05416bf01b?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083)过滤非文本字符
col_data = col_data.apply(lambda x: re.sub(r'[^\w\s]', '', x))
# 保存为txt文件
with open('your_file.txt', 'w', encoding='utf-8') as f:
f.write('\n'.join(col_data.tolist()))
请将上述代码中的 "your_file.csv" 替换为您的csv文件路径,"your_column" 替换为您需要转化的列名,"your_file.txt" 替换为您要保存的txt文件路径。
相关问题
将csv读取的某列数据转化为str类型并存成txt
好的,我可以帮你解决这个问题。首先,你需要用Python中的pandas库来读取csv文件。然后,你需要选择你想要转换为字符串的列,并将其转换为字符串类型。最后,你可以将这个字符串保存为一个txt文件。下面是代码示例:
```python
import pandas as pd
# 读取csv文件,假设文件名为data.csv
```
matlab读取csv文件中的数据并将其保存为txt文件
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