popen « pipe « C Q&A

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C Q&A » pipe » popen

1. Need help with named pipes and popen stackoverflow.com

I've got a little C server that needs to accept a connection and fork a child process. I need the stderr of the child process to go to an already ...

2. Problem writing to a pipe between Fortran and C programs stackoverflow.com

I have a program written in Fortran by someone else which consequently reads a few things from the standard input and then does some calculations and outputs the result. What I ...

3. Pipes (popen) problem? cboard.cprogramming.com

#include #include #include #define BUFFSIZE 256 int main(int argc, char *argv[]){ FILE *pipe; char cmd[BUFFSIZE]; char buffer[BUFFSIZE]; const char *mode = "r"; strcpy(cmd, "ls -l"); if ( !(pipe= popen(cmd, mode)) ) { perror("Pipe error"); exit(1); } int row; row = 1; while ( fgets(buffer, sizeof buffer, pipe)); { printf("row %d: %s\n", row, buffer); row++; } pclose(pipe); return 0; ...

4. Pipe problem, popen(), pipe(). cboard.cprogramming.com

Hello. I have to write program which reads a correct linux pipe for example: program1 | program2 | program3 | program 4 and proceeds with pipes. I'm doing something like this: reading input. then i'm getting first command (i'm looking for the first '|'). Then I'm forking function with a string without begining (in the example above, im forking with string ...

5. Pipe (popen) problem forums.devshed.com

#include #include #include #define BUFFSIZE 256 int main(int argc, char *argv[]){ FILE *pipe; char cmd[BUFFSIZE]; char buffer[BUFFSIZE]; const char *mode = "r"; strcpy(cmd, "ls -l"); if ( !(pipe= popen(cmd, mode)) ) { perror("Pipe error"); exit(1); } int row; row = 1; while ( fgets(buffer, sizeof buffer, pipe)) { printf("row %d: %s\n", row, buffer); row++; } pclose(pipe); return 0; ...