Linked Questions

Possible Duplicate: subprocess.Popen.stdout - reading stdout in real-time, again! I am processsing the ouptut of a file in binary but I am using a temporary string to represent the output. Since ...

I'm using the subprocess module to start a subprocess and connect to its output stream (standard output). I want to be able to execute non-blocking reads on its standard output. Is there a way to make ...

I want to subprocess.Popen() rsync.exe in Windows, and print the stdout in Python. My code works, but it doesn't catch the progress until a file transfer is done! I want to print the progress for ...

I'd like to use the subprocess module in the following way: create a new process that potentially takes a long time to execute. capture stdout (or stderr, or potentially both, either together or ...

I need a way to either read all currently available characters in stream created by Popen or to find out how many characters are left in the buffer. Backround: I want to remote control an interactive ...

If this is my subprocess: import time, sys for i in range(200): sys.stdout.write( 'reading %i\n'%i ) time.sleep(.02) And this is the script controlling and modifying the output of the ...

I'm having problems redirecting stdio of another program using subprocess module. Just reading from stdout results in hanging, and Popen.communicate() works but it closes pipes after reading/writing. ...

I'd like to run a system process, intercept the output, and modify it real-time, line by line, in a Python script. My best attempt, which waits for the process to complete before printing, is: #!/...

To emphasize, the problem is real time read instead of non-blocking read. It has been asked before, e.g. subprocess.Popen.stdout - reading stdout in real-time (again). But no satisfactory solution has ...

Right now I have some code that uses Popen.communicate() from subprocess (setting stdin=PIPE and stderr=PIPE) to run a command and capture both stderr and stdout. The problem is that communicate() ...