[英]Python: How to merge multiple csv files on the same input line?
如何在同一輸入行上打開和合並多個csv文件?
import csv
file=input("Enter the csv files:")
f= open(file, 'r')
r=csv.reader(f)
for row in r:
print(row)
因此,當輸入“文件”時,就像“輸入csv文件:may.csv,june.csv.july.csv”
那么,如何打開和合並每個文件? 它們都有相同的頭。 我知道這種格式可能真的很糟糕,但謝謝!
也許是這樣的:
import csv
files = input("Enter the csv files:")
for file in (f.strip() for f in files.split(',')):
with open(file) as f:
r = csv.reader(f)
next(r) # Skips the header
for row in r:
print(row)
我可以想到兩種方法。 將熊貓作為pd導入
a = pd.read_csv("C:\\Users\\rshuell001\\Desktop\\excel_files\\Book1.csv")
b = pd.read_csv("C:\\Users\\rshuell001\\Desktop\\excel_files\\Book2.csv")
b = b.dropna(axis=1)
merged = a.merge(b, on='numbers')
merged.to_csv("C:\\Users\\rshuell001\\Desktop\\excel_files\\Book3.csv", index=False)
要么
將熊貓作為pd導入
a = pd.read_csv("C:\\Users\\rshuell001\\Desktop\\excel_files\\Book1.csv")
b = pd.read_csv("C:\\Users\\rshuell001\\Desktop\\excel_files\\Book2.csv")
b = b.dropna(axis=1)
merged = a.merge(b, on='numbers')
merged.to_csv("C:\\Users\\rshuell001\\Desktop\\excel_files\\Book3.csv", index=False)
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