1. Programming

thanks to everyone for your earlier replies, but i have yet another problem with file i/o. i'm trying to read multiple lines with the same file, and have been using the following code to take in the first two lines from a file... fscanf(fileptr, "%d %d %d %d %d %d\n", &n1, &n2, &n3, &n4, &n5,... (1 Reply)

2. Programming

Hi, Can any one tell me what "%hx" as control parameter mean in fscanf. Thanks, abey (4 Replies)

3. Programming

I use fopen, fscanf, fclose to read a file. It can work well. since many files should be read, a function is created with the same code. But in the function, fscanf can not work well. for example, the first line of the the file is: > filename but the fscanf will give: 207/23/eee/34 it appears... (2 Replies)

4. Programming

hey guys, I'm working on a term project for a c/unix class. The basis of the program is that it will calculate the weight/balance of a plane. I'm hoping to have an input file as such: " Pilot weight: Passenger weight: baggage wieght: etc " and the idea is that I'm trying to use... (2 Replies)

5. Programming

Hi I have a file like that: 1 2 3 4 5 6 7 8 and I want print on stdout: 1 3 8 in other words i want choose what print out. I was thinking to use fscanf as: fscanf(file_in,"%d %d %d",&a, &b,&c); but in this way i get: 1 2 3 Is there a solution using fscanf to obtain my... (2 Replies)

6. UNIX for Dummies Questions & Answers

hi there... i have a question regarding the fscanf function... let's say i have a data: 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 how do i read only the first COLUMN, or the second COLUMN or the third COLUMN or etc....?????? thanks (1 Reply)

7. Programming

Hi, I have a file with contents like "abcd 1234" .What i need is get that integer and replace that with 0. So i used fscanf(fp,"%s %d", str, &num); This is having some problem. There can be multiple space/tab between string and number. How to replace that number with 0 in same file? (4 Replies)