在我的 CSV 文件中，每一行都用分隔符 "$$$Field$$$" 分隔(简单字符串，不是正则表达式)。我正在尝试执行以下操作，但它忽略了分隔符。
df = pd.read_csv('filename.csv', sep='\b$$$Field$$$\b')
有什么想法吗？
最佳答案
看来你需要通过\转义$:
import pandas as pd
from pandas.compat import StringIO
temp=u"""Food$$$Field$$$Taste
Apple$$$Field$$$a
Banana$$$Field$$$b"""
#after testing replace 'StringIO(temp)' to 'filename.csv'
df = pd.read_csv(StringIO(temp), sep='\$\$\$Field\$\$\$',engine='python')
print (df)
Food Taste
0 Apple a
1 Banana b
read_csv文档:
sep
: str, defaults to ',' for read_csv(), \t for read_table()
Delimiter to use. If sep is None, will try to automatically determine this. Separators longer than 1 character and different from '\s+' will be interpreted as regular expressions, will force use of the python parsing engine and will ignore quotes in the data. Regex example: '\r\t'.
关于python - Pandas:在 CSV 文件中使用整个字符串作为分隔符，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/42140543/