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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)
Discussion started by: explore
2. UNIX for Dummies Questions & Answers
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)
Discussion started by: theunknown
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)
Discussion started by: Dedalus
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:
and the idea is that I'm trying to use... (2 Replies)
Discussion started by: jlangholzj
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)
Discussion started by: cdbug
Can any one tell me what "%hx" as control parameter mean in fscanf.
abey (4 Replies)
Discussion started by: abey
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)
Discussion started by: j_t_kim