How to move the file pointer to the next line

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Hi All,
I am working on an application that should read a text file using C file handling functions.
The requirement is to read the file line by line using fgets(), but if the length of any line is more than 1000 characters it should not read the current line any more and should move into the next line.

Can any one plz help me how to move the file pointer to the next line while it is in the current line.

Thanks
Dev

Posted 14-Feb-12 20:22pm

Devadutta Achary

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manognya kota · Answer 1 · 2012-02-14T20:24:00

Solution 1

hi,

This link should help you,

http://www.mycplus.com/tutorials/c-programming-tutorials/file-handling/[^]

Posted 14-Feb-12 20:24pm

manognya kota

Jochen Arndt · Answer 2 · 2012-02-14T22:42:00

Solution 2

If reading from file using fgets() and the line is less than the specified size, the terminating new line character is stored in the buffer. If the line is longer, the terminating new line character is not stored. You may use the strchr() function to determine the presence of the new line character.

If it is not present, call fgets() again until a new line character has been read into the buffer and continue with processing this next line.

Posted 14-Feb-12 22:42pm

Jochen Arndt

Comments

Devadutta Achary 15-Feb-12 5:24am

Thanks Jochen for the reply.
I tried the same thing that you have suggested.But I wanted to know if there is any File handling functions to jump to the begining next line if the current line has more than the specified characters.
Thanks,
Dev

Jochen Arndt 15-Feb-12 5:35am

No, there is no such function. But you may write your own:
int c = feof(f) ? EOF : 0;
while (c != EOF && c != '\n') c = fgetc(f);