根据列表中的项目，打开具有类似名称的文件并将内容附加到df

Question

Given myList = ['a', 'b', 'c'] and a folder full of files like

['a_3432.bed', 'a_4958.bed', 'b_3432.bed', 'b_4958.bed', 'c_3432.bed', 
'c_4958.bed', 'd_3432.bed', 'd_4958.bed', etc]

I want to open the files and append their contents to a dataframe based on each item in my list. Something like:

import pandas as pd

for item in myList:
    open('a*.bed') as infile:
        df = pd.DataFrame()
        for line in infile:
            df.append(line)

I have not used regular expressions, but I think they might be the key because I know they're used to recognize patterns.

Answer 1

您希望标准的glob模块找到匹配的文件（glob模式，就像您的伪代码中的模式一样，与正则表达式相似但不相同），并可能使用fileinput来将它们全部在一起。