python——常见读写文件操作

1. write:

file_path="/home/lixinglei/test.txt"

file_content="Test file write!"

output = open(file_path, "w")

output.write(file_content)

output.close()

2. read:

file_path = "/home/lixinglei/test.txt"

input = open(file_path)

f_c = input.read()

input.close()

3. readline:

file_path = "/home/lixinglei/test.txt"

input = open(file_path)

lines = input.readlines()

input.close()

for line in lines:

    print line#如果是在命令行中直接写的，在for循环的内容写完了之后，连续按两次回车即可执行

4. 一次读取一行的方法，称作文件迭代器

file_path = "/home/lixinglei/test.txt"

input = open(file_path)

for line in input:

    print line