I’m working with a command line utility that requires passing the name of a file to write output to, e.g. The only thing it writes to stdout is a message that indicates that it ran successfully. I’d like to be able to pipe everything that is written to output.txt to another command line utility. M…
Tag: pipe
How to send integer with pipe between two processes!
I am trying to send an integer with pipe in a POSIX system but write() function is working for sending string or character data. Is there any way to send integer with a pipe? Regards Answer The safe way is to use snprintf and strtol. But if you know both processes were created using the same version of compil…
Non-blocking pipe using popen?
I’d like to open a pipe using popen() and have non-blocking ‘read’ access to it. How can I achieve this? (The examples I found were all blocking/synchronous) Answer Setup like this: Now you can read: When you’re done, cleanup: