line « input « C File Q&A

1. c- read in line from file    stackoverflow.com

I am new to c, but I would like to read in text from a file. I don't know the length of the first line of the file, so how can ...

2. C: ignoring a comment line in input file    stackoverflow.com

im using the fscanf function to handle input. now in the input each line starting with a # must be ignored. how do i ignore a complete line? for example this ...

3. How I can skip a blank line in an input file when using strtok?    stackoverflow.com

I want to pass lines of a file using strtok; the values are comma separated. However, strtok also reads blank lines which only contain spaces. Isn't it suppose to return a ...

4. Command Line Arguments and File Input    stackoverflow.com

I had a terrible time with file input from command line arguments last semester and I need to utilize it for an exercise that I am working on. I have coded ...

5. How to read multiple lines of input from user using fgets and write it into a file using fputs in C?    stackoverflow.com

I wanted to read input from user (multiple lines) and write it into a file using fputs(). Here is my code

#include<stdio.h>
#include<stdlib.h>
int main()
{
 FILE *fp;
 char s[25];
 fp=fopen("myname","w");
 if(fp==NULL)
 {
  perror("Error opening ...

6. Reading in input from file with multiple values per line    bytes.com

But to get the individual values I think the only way is to use strtok() which needs a c string as input. To convert a string to a double would I use atod(). This seems very difficult. I should think so since that is C. You say the values are separated by a space? Then you can read them using the ...

7. Reading Input from a file, line-by-line    cboard.cprogramming.com

For an assignment in my C course, I need to write a program that reads lines of numbers from a file, sorts them, writes the output to a file then reads the next line and continues, until a -1 is reached in the file. My question is: how would I go about doing this? Or, rather, which functions should I use ...

8. Skipping to a new line in an input file.    cboard.cprogramming.com

Code: #include struct EDFSection { char Param[20]; int Label, SFactor, SigBits, Bit30, Bit31; }; int main() { static const char filename[] = "file.txt"; FILE *file = fopen(filename, "r"); if ( file != NULL ) { char line[80]; while ( fgets(line, sizeof line, file) != NULL ) { struct EDFSection Sec; if ( sscanf(line, "%s %d %d %d %d %d", Sec.Param, ...

9. ANSI C: Checking for a blank line in an input file    forums.devshed.com

I think that your problem is not thinking things through, despite hints. Have you visited the Commonly Asked Questions thread? Would you care to post the EXACT contents of your target file and the EXACT code of your processor file? It's a huge pain in the *** for your respondents, but it's your best hope.

10. Reading and input a specific line from an ascii file    daniweb.com