Writing data to text file in 'C'

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This topic contains 1 reply, has 2 voices, and was last updated by  Satish 5 years, 4 months ago.

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  • #930

    Basavaraj
    Member
    #include<stdio.h>
                         			
                            void main()
    			{
    				FILE *p;
    				char ch;
    
    				p=fopen("d:\\Hello.txt","w");
    
    				clrscr();
    
    				printf("\n\nEnter the text\n");
    
    				while( (ch=getche() ) !='\r' )
    				{
    				fputc( ch,p);
    				}
    
                                   fclose(p);
    			}
    

    This example illustrates writing data ( in this example text is written ) to a text file, files are stored in secondary storage device such as Hard disk, in c it is possible to create a file and read/write data to it,for this purpose we need a pointer of type FILE.
    writing data to a file in ‘C’ includes following steps.

    1. open a file using the function fopen() it takes 2 arguments first represents path and name of the file, sencond argumnets represents file opening mode.
    in this example a file called Hello.txt is opened in d drive,”w” indicated write mode,fopen() function returns reference to the file which is stored in the pointer p,this pointer is further used for referring file Hello.txt

    2. Writing data to file.
    while( (ch=getche() ) !=’\r’ ) this line reads text typed by the user character by character and till user hits enter key.
    the line fputc( ch,p ) writes character present in ch to the file Hello.txt

    3. Closing the file.
    fclose(p) closes file Hello.txt.

    #963

    Satish
    Keymaster
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