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Showing posts with the label Pipe

Using Subprocess To Get Output Of Grep Piped Through Head -1

The gist of what I'm trying to do is this: grep -n 'some phrase' {some file path} | hea… Read more Using Subprocess To Get Output Of Grep Piped Through Head -1

Understanding Named Pipes (fifo) In Python

I am running Python 2.7 on a Unix environment (tested on Ubuntu and OSX) I have the following progr… Read more Understanding Named Pipes (fifo) In Python

How To Read File When The Words Are Separated By "|" (psv)?

In Python, I have a file which the words are separated by |, for example: city|state|zipcode. My fi… Read more How To Read File When The Words Are Separated By "|" (psv)?

Popen Mixed Data Stream?

I've got problem with Popen and Pipes on Windows. I think Popen mixed data between stdout and s… Read more Popen Mixed Data Stream?

Why Does Shell=true Eat My Subprocess.popen Stdout?

It seems that using shell=True in the first process of a chain somehow drops the stdout from downst… Read more Why Does Shell=true Eat My Subprocess.popen Stdout?

Python 2.6 Send Connection Object Over Queue / Pipe / Etc

Given this bug (Python Issue 4892) that gives rise to the following error: >>> import mult… Read more Python 2.6 Send Connection Object Over Queue / Pipe / Etc

First Process Of Python Popen Pipe Can't Be Killed

I am using this code p1 = Popen(['rtmpdump'] + cmd_args.split(' '), stdout=PIPE) p2… Read more First Process Of Python Popen Pipe Can't Be Killed

Piped Python Script Takes 100% Of Cpu When Reading From Broken Pipe

I have two Python scripts running on an Ubuntu Linux machine. The 1st one sends all its output into… Read more Piped Python Script Takes 100% Of Cpu When Reading From Broken Pipe