我如何跳过标题行并开始从第2行读取文件?
当前回答
f = open(fname,'r')
lines = f.readlines()[1:]
f.close()
其他回答
with open(fname) as f:
next(f)
for line in f:
#do something
如果切片可以在迭代器上工作……
from itertools import islice
with open(fname) as f:
for line in islice(f, 1, None):
pass
如果您想从第2行开始读取多个CSV文件,这就像一个魅力
for files in csv_file_list:
with open(files, 'r') as r:
next(r) #skip headers
rr = csv.reader(r)
for row in rr:
#do something
(这是Parfait对另一个问题的部分回答)
f = open(fname,'r')
lines = f.readlines()[1:]
f.close()
如果你想要第一行,然后你想对文件执行一些操作,这段代码将会很有帮助。
with open(filename , 'r') as f:
first_line = f.readline()
for line in f:
# Perform some operations