add line to file

Enter the code:/**copyright (c) 2015, College of Computer and Control engineering, Yantai University *all rights reserved.* file name: sum123.cpp* Creator: Lin Haiyun * Completion Date: August 18, 2015 * version number: v2.0* Problem Description:

Introduction:In this article, you'll learn about two points on file operation. 1. How to delete the specified line of a file. 2.How to replace the specified line of a file.Yesterday someone asked me how to delete the specified row in the file (under

The NL command is used in a Linux system to calculate the line number of a file. NL can automatically add a line number to the output file content! The default result is a bit different from Cat-n, NL can make the line number more display design,

I published my first technical document in Jane's book: Recyclerview Series: Recyclerview series (1) for Recyclerview Add header and footer, also very fortunate to get so many people support, This makes me eager to write the second article quickly.

because there are no good SVN tools (similar to TORTISESVN) that have been found under Linux. Of course esvn These are also good, but is used to think is not very accustomed to. Finally, the SVN original command-line tool was selected for the

In actual work, sometimes encounter the need to add a line number in some special documents, such as English reading materials, legal documents, celebrity manuscripts, etc., it is obviously impractical to add artificially. In fact, Word has long

Today, when I learned to read a file, I found that the open file was displayed in two lines for the size of the default box, remembering how many words identifier a line in Python readlines () function. So I looked up some information to understand

First, the topicWrite a kernel module, add a directory hello to the/proc file system, and add a file in this directory to the world, the content of the file is Hello World. Kernel Version Requirements 2.6.18?Second, the experimental

Source: http://blog.csdn.net/cqq/ Add file comments to compressed files under rar command line There are a lot of rar compressed files in the past two days, Add comments. I checked the help of rar and found that it is very convenient to do this

sed (stream editor) Function Description: Use script to process text files.Syntax: sed [-hnv][-e][-f][text file]Additional Note: SED can process and edit text files according to script instructions.Parameters:-e or--expression= the input text file