Savitch Ch 06

Overview ,[object Object],[object Object],[object Object],Slide 6-

I/O Streams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Objects ,[object Object],[object Object],[object Object],Slide 6-

Streams and Basic File I/O ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

cin And cout Streams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Why Use Files? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

File I/O ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Stream Variables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Streams and Assignment ,[object Object],[object Object],[object Object],Slide 6-

Declaring An Input-file Stream Variable ,[object Object],[object Object],[object Object],[object Object],Slide 6-

Declaring An Output-file Stream Variable ,[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],[object Object],[object Object],Connecting To A File Slide 6- Period File name on the disk Double quotes

Using The Input Stream ,[object Object],[object Object],Slide 6-

Using The Output Stream ,[object Object],[object Object],Slide 6-

External File Names ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],[object Object],[object Object],[object Object],[object Object],Closing a File Slide 6- Display 6.1

Objects ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Member Functions ,[object Object],[object Object],[object Object],Slide 6-

Objects and Member Function Names ,[object Object],[object Object],[object Object],Slide 6-

Classes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Class Member Functions ,[object Object],[object Object],[object Object],[object Object],Slide 6-

Calling a Member Function ,[object Object],[object Object],[object Object],Slide 6- Calling object Dot operator Member function

Member Function Calling Syntax ,[object Object],Slide 6-

Errors On Opening Files ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Catching Stream Errors ,[object Object],[object Object],[object Object],Slide 6-

Halting Execution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],Using fail and exit Slide 6- Display 6.2

Techniques for File I/O ,[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],[object Object],[object Object],[object Object],[object Object],Appending Data (optional) Slide 6- Display 6.3

File Names as Input (optional) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],Using A Character String Slide 6- Display 6.4 (1) Display 6.4 (2)

Section 6.1 Conclusion ,[object Object],[object Object],[object Object],Slide 6-

Tools for Stream I/O ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Formatting Output to Files ,[object Object],[object Object],Slide 6-

out_stream.precision(2); ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

setf(ios::fixed); ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],[object Object],setf(ios::showpoint); Slide 6- Display 6.5

Creating Space in Output ,[object Object],[object Object],[object Object],[object Object],Slide 6- (ios::right) (ios::left) 7 7

Not Enough Width? ,[object Object],[object Object],[object Object],[object Object],Slide 6-

Unsetting Flags ,[object Object],[object Object],[object Object],Slide 6-

Manipulators ,[object Object],[object Object],[object Object],[object Object],Slide 6-

The setw Manipulator ,[object Object],[object Object],[object Object],Slide 6- Two Spaces Four Spaces

The setprecision Manipulator ,[object Object],[object Object],[object Object],Slide 6-

Manipulator Definitions ,[object Object],[object Object],Slide 6-

Stream Names as Arguments ,[object Object],[object Object],[object Object],Slide 6-

The End of The File ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

End of File Example ,[object Object],[object Object],Slide 6-

Stream Arguments and Namespaces ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Program Example Slide 6- Display 6.6 (1) Display 6.6 (2) Display 6.6 (3)

Section 6.2 Conclusion ,[object Object],[object Object],[object Object],Slide 6-

Character I/O ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Low Level Character I/O ,[object Object],[object Object],[object Object],[object Object],Slide 6-

Member Function get ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Using get ,[object Object],[object Object],[object Object],[object Object],Slide 6-

get Syntax ,[object Object],[object Object],Slide 6-

More About get ,[object Object],[object Object],[object Object],Slide 6-

The End of The Line ,[object Object],[object Object],[object Object],Slide 6-

' ' vs " " ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Member Function put ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

put Syntax ,[object Object],[object Object],Slide 6-

Member Function putback ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

putback Example ,[object Object],[object Object],[object Object],Slide 6-

Program Example Checking Input ,[object Object],[object Object],[object Object],[object Object],Slide 6-

Checking Input: get_int ,[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],[object Object],[object Object],[object Object],Checking Input: new_line Slide 6- Display 6.7 (1) Display 6.7 (2)

Checking Input: Check for Yes or No? ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Mixing cin >> and cin.get ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

'' Example ,[object Object],Slide 6- The Dialogue: Enter a number: 21 Now enter a letter: A ,[object Object],[object Object],[object Object]

A Fix To Remove '' ,[object Object],Slide 6-

Another '' Fix ,[object Object],Slide 6-

Detecting the End of a File ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

Using eof ,[object Object],[object Object],[object Object],Slide 6-

The End Of File Character ,[object Object],[object Object],[object Object],Slide 6-

How To Test End of File ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Program Example: Editing a Text File Slide 6- Display 6.8 (1) Display 6.8 (2)

Character Functions ,[object Object],[object Object],[object Object],Slide 6-

The toupper Function ,[object Object],[object Object],[object Object],Slide 6-

toupper Returns An int ,[object Object],[object Object],[object Object],[object Object],[object Object],Slide 6-

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The isspace Function Slide 6- Display 6.9 (1) Display 6.9 (2)

Section 6.3 Conclusion ,[object Object],[object Object],[object Object],[object Object],Slide 6-

Display 6.1 Slide 6- Back Next

Display 6.4 (1/2) Slide 6- Back Next

Display 6.8 (1/2) Slide 6- Next Back

Savitch Ch 06

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Savitch Ch 06