在Python中操作文件之seek()方法的使用

这篇文章主要介绍了在Python中操作文件之seek()方法的使用教程,是Python入门学习中的基础知识,需要的朋友可以参考下

#!/usr/bin/python

# Open a file
fo = open("foo.txt", "rw+")
print "Name of the file: ", fo.name

# Assuming file has following 5 lines
# This is 1st line
# This is 2nd line
# This is 3rd line
# This is 4th line
# This is 5th line

line = fo.readline()
print "Read Line: %s" % (line)

# Again set the pointer to the beginning
fo.seek(0, 0)
line = fo.readline()
print "Read Line: %s" % (line)

# Close opend file
fo.close() 

Name of the file: foo.txt
Read Line: This is 1st line

Read Line: This 

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