Chapter - 13: File Input-Output

Write a C program to read a large text file 'NOTES.TXT' and print it on the printer in cut-sheets, introducing page breaks at the end of every 50 lines and a pause message on the screen at the end of every page for the user to change the paper.


C
Sections
19
Exercises

A

B

C

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NOTE.txt

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include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<string.h>
#include<Windows.h>

void pagebreak(FILE *fp);

int main()
{
	FILE *fp;
	fp = fopen("NOTE.txt", "r");
	if (fp == NULL)
	{
		puts("Can't open the file.");
		exit(1);
	}
	pagebreak(fp);
	fclose(fp);
	_getch();
	return 0;
}

void pagebreak(FILE *fp)
{
	/*Dot counts the numebr of lines*/
	int dot = 0;
	char ch;
	while (1)
	{
		ch = fgetc(fp);
		if (ch == EOF)
			break;
		printf("%c", ch);
		/*If a full stop appears so the line is terminated here*/
		if (ch == '.')
		{
			/*If dot == 50 so, 50 lines have been printed, 
			so a page breakmsg should be appear here*/
			if (dot == 50)
			{
				printf("Press any key. . .");
				_getch();
				system("cls");
				/*Dot variable reinitialization*/
				dot = 1;
			}
			else
				dot++;
		}

	}
}

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