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C++ Operating on Files

Learn how to easly use fstream library with the help of expert in that matter
4.1 (40 ratings)
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1,580 students enrolled
Last updated 10/2014
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This course is about operating on files in C++ language using the fstream (file stream) library.

This course consists of over 2 hours of great content. Before buying, please watch free videos so that you will see for yourself if you like the way I teach.

You do not need to know anything about operating on files, but it's good idea to know the basics of C++ language.

After this course you will know:

  1. how to operate on input and output streams,
  2. how to open and close files and how to handle errors connected to that operations,
  3. states of file opening,
  4. stream’s error flags,
  5. how to check the size of an opened file,
  6. what binary files are and how to compare them,
  7. how to extract and save the content of a file,
  8. how to create a mini database that allows you to add, show, search, remove, load, and save,
  9. many functions about working on files

Over 1000 students bought my course, and all of them are happy. You will also be satisfied with this course. If you do not like the course, remember that you can take for 30 days a full refund. I guarantee you satisfaction.

If you have any questions regarding the topics covered in this course after watching the videos please feel free to ask. I'm always happy to help.

Who is the target audience?
  • This course is meant for beginners who knows basics of C++. You should know variables, pointers, functions, structures, loops, arithmetic / bitwise / relational / logical operators. If you know these terms you can easly start adventure with this course otherwise it's good idea to catch up.
  • This course is probably not for you if you do not have any experience with C++ language
Students Who Viewed This Course Also Viewed
What Will I Learn?
how to operate on input and output streams
how to open and close files and how to handle errors connected to that operations
states of file opening
stream’s error flags
how to check size of opened file
what are binary files and how to compare them
how to extract and save content of file
how to create mini database that allows you to:
add, show, search, remove, load, save people
many functions that supports working with files
View Curriculum
  • You should be familiar with basics of C++ like variables, pointers, functions, structures, loops, arithemtic / bitwise / relational / logical operators
  • You should have installed IDE like CODE::Blocks / Dev C++ / Visual C++
Curriculum For This Course
Expand All 17 Lectures Collapse All 17 Lectures 02:44:45
2 Lectures 09:53

After this lesson you will know what you will learn in this course.

Preview 03:26

What is stream, input and output. We are making ourselves familiar with word stream, input and output.

Preview 06:27
File Stream Library (fstream)
12 Lectures 01:50:52

Your learn how to close and open files and how to check if the filed was opened properly. You also learn how to simply put text into file.

Preview 06:27

You learn file opening modes (states) and differences between them. We learn how to open file and:

  1. make it readable
  2. make it writeable
  3. being able to add content to it
  4. treat it as binary file (we also learn difference between binary and text file)
  5. keep the content / truncate content after opening
File opening modes

We discuss all stream's error flags and we show how to use them. You will know how to react on unexpected situations that happens during reading from the file like for example assigning string to integer or opening file for writing which had the flag set to only reading (ios::in)

You will know functions like:

  1. fail
  2. good
  3. bad
  4. eof
  5. clear
  6. rdstate

and you will know how to operate on states (failbit, goodbit, badbit, eofbit) using bitwise operators and rdstate function.

You will know how to read whole file using one loop and eof function.

Stream's error flags

What are and how to use reading position pointer. How to programitically check how many bytes the file has. You will learn and understand functions that reads and sets position of reading pointer.

Reading position pointer - seekg and tellg

You will know what is and how to use writing position pointer. You will learn functions seekp and tellp which allows you to retrieve and show where is the writing pointer.

Writing position pointer - seekp and tellp

You will learn:

  1. how function getline and ignore works
  2. how to retrieve all lines of text from file at once
  3. how to ignore characters that are not needed
  4. how to extract from file with names and surnames only initials
Extracting characters from files

You will know how read function works. We are creating function that is counting size of file and function that is checking if two binary files are the same. We are training pointers on practical example. We also learn abot memcmp function which is used to compare memory.

Comparing content of two files

You will learn hot to load characters from standard input (cin) and put them into the file. In addition to this you will learn how to add after each letter of string a space or any other character.

Put - loading characters from cin stream directly to file

You will learn function that allows to peek characters before exracting and you will know how to retrieve information from steam in order to assign variables to the right type of variables.

Peek - peeking characters without extracting

You learn how to return extracted character back on the stream so it can be read again

Putback - returning extracted character on stream

You will learn how to save bytes to files and when you should use write function over saving operator (<<)

Write - writing bytes to file

You will learn how to get count of characters retrieved from file on practical example.

Gcount - counting characters from last operation
3 Lectures 44:00

Lesson where you gonna learn how to create mini database that allows you to:

- add people

- show added people

Mini database - part 1

You gonna learn how to:

- save people to file

- load people from file

- search base by typing name

- remove person by id

Mini database - part 2

What after the course?
About the Instructor
4.5 Average rating
1,376 Reviews
17,517 Students
7 Courses
Excellent teacher, Expert in Programming

I am the author of 27 very popular video courses about programming, web-development and math in Poland. I've also created 7 video courses in English. Over 17,000 people enrolled in my Udemy courses. I put all my heart into creation of courses. I always try to explain everything the easiest possible way. I'm sure that my courses will help you in the programming and web development adventure :)

I believe that everyone has the ability to develop software if they are taught properly. Including you. I'm going to give you the context of each new concept I teach you. After my course you will finally understand everything that you code.

I've been developing websites for over 15 years and i've been programming for over 10 years. I have enormous experience in that matter and I want to share with you my knowledge.

If you have any questions regarding covered topics please feel free to ask.

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