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Using a `with` context for closing the file automatically; added line breaks for easy reading
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jdi
jdi
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I see that this is a rather old post but just in case someone is still searching for a way to do this:

proc = subprocess.Popen(["ping", "localhost"],  stdout=subprocess.PIPE,  stderr=subprocess.PIPE) log_file =with open("logfile.txt", "w") as log_file:  while proc.poll() is None:   line = proc.stderr.readline()   if line:   print "err: " + line.strip()   log_file.write(line)   line = proc.stdout.readline()   if line:   print "out: " + line.strip()   log_file.write(line) log_file.close()

I see that this is a rather old post but just in case someone is still searching for a way to do this:

proc = subprocess.Popen(["ping", "localhost"], stdout=subprocess.PIPE, stderr=subprocess.PIPE) log_file = open("logfile.txt", "w") while proc.poll() is None: line = proc.stderr.readline() if line: print "err: " + line.strip() log_file.write(line) line = proc.stdout.readline() if line: print "out: " + line.strip() log_file.write(line) log_file.close()

I see that this is a rather old post but just in case someone is still searching for a way to do this:

proc = subprocess.Popen(["ping", "localhost"],  stdout=subprocess.PIPE,  stderr=subprocess.PIPE) with open("logfile.txt", "w") as log_file:  while proc.poll() is None:   line = proc.stderr.readline()   if line:   print "err: " + line.strip()   log_file.write(line)   line = proc.stdout.readline()   if line:   print "out: " + line.strip()   log_file.write(line)
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Ben
Ben
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I see that this is a rather old post but just in case someone is still searching for a way to do this:

proc = subprocess.Popen(["ping", "localhost"], stdout=subprocess.PIPE, stderr=subprocess.PIPE) log_file = open("logfile.txt", "w") while proc.poll() is None: line = proc.stderr.readline() if line: print "err: " + line.strip() log_file.write(line) line = proc.stdout.readline() if line: print "out: " + line.strip() log_file.write(line) log_file.close()
Post Made Community Wiki by Ben