我正在将一个固定宽度的文件写入CSV。由于该文件太大,无法一次性读取,因此我正在以100000个块的形式读取文件并追加到CSV中。虽然已经设置了
index=False
,但是它仍然在行中添加索引。如何在不添加索引的情况下完成CSV文件呢?infile = filename
outfile = outfilename
cols = [(0,10), (12,19), (22,29), (34,41), (44,52), (54,64), (72,80), (82,106), (116,144), (145,152), (161,169), (171,181)]
for chunk in pd.read_fwf(path, colspecs = col_spec, index=False, chunksize=100000):
chunk.to_csv(outfile,mode='a')