Example program for file updating random access
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Further, the file handle argument appears after the string, which is unusual for a C language file function.
The two file-writing functions fprintf() and fputs() write text to the file sequentially, one character after the other.
Finally, Line 15 closes the file by using the fclose() function.
This statement is a required step for any file access programming.
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Write That File demonstrates the basic process of creating a new file, writing text to that file, and then closing file access. The if statement checks to confirm that the file was properly opened.
WRITE THAT FILE Line 6 creates the file handle, fh. The pointer stores the result of the fopen() function from Line 8. If it wasn’t, the value of fh is NULL, and appropriate action is taken.
The fprintf() function writes text to the file at Line 14.
The format is the same as for printf(), although the file handle must be included as an argument.
Random Access Line() method reads the next line of text from this file.