[英]Getting unwanted “ ” between words when appending a CSV file to a new CSV file in Python 3
我正在嘗試將CSV文件追加到新的CSV文件,並且在我的第一個文檔中的單詞之間沒有“”的地方,將其追加到新文件時得到了這些。 范例:
house
building
apartment
loan
我要如何導入CSV文件。 我寫了這段代碼:
import csv
csv_file = open("bigcsv.csv", "a", encoding='utf-8', newline = "")
csv_file_writer = csv.writer(csv_file, delimiter= ",")
document_to_append = open("test.csv", "r")
for row in document_to_append:
print(row)
csv_file_writer.writerow([row])
document_to_append.close()
csv_file.close()
CSV的結果是這樣的:
"house
"
"building
"
等等…
我如何擺脫那些煩人的“”? 我完全不知道…
我不確定這是否是原因,但是我認為這是因為您要將行變成csv_file_writer.writerow([row])
行中的列表,我將在下面使用它:
import csv
with open("bigcsv.csv", "r") csv_file:
with open("test.csv", "w") as csv_file_writer:
for row in csv_file:
csv_file_writer.writerow(row)
您可以將csv.writer設置為不使用引號= csv.QUOTE_NONE進行引用,如下所示:
import csv
csv_file = open("bigcsv.csv", "a", encoding='utf-8', newline = "")
csv_file_writer = csv.writer(csv_file, delimiter= ",", escapechar=' ',quoting=csv.QUOTE_NONE,lineterminator='')
document_to_append = open("test.csv", "r")
for row in document_to_append:
print(row)
csv_file_writer.writerow([row])
document_to_append.close()
csv_file.close()
演示鏈接:
替換行:
document_to_append = open("test.csv", "r")
通過:
document_to_append = [line.rstrip() for line in open('test.csv', "r")]
注意:這將起作用,但是您必須刪除以下行: document_to_append.close(),因為document_to_append不再是句柄,而是列表。
如果您想以任何方式關閉文件,請執行以下操作,而不是列表理解(上述解決方案):
with open('test.csv') as f:
document_to_append = [line.rstrip() for line in f]
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