I am having problems to make a proper read-write between process with fork() and ncurses. I have a process (let me call it son) that control the input on the application, and also i have a process (th
I\'m trying to redirect error output to both a file and the terminal and throw away stand开发者_如何学Card output, but I can\'t figure it out. Does anybody know how to do it?myCommand 2>&11>
as an exercise I need to use a signal handler, and pipes to send some messages between two processes, when getting a signal. Below is my sourcecode. When I\'m running it, I can get the pipes to work,
Assuming a handle created with the following code: use IO::File; my $fh = IO::File->new; my $pid = $fh->open(\'some_long_running_proc |\') or die $!;
I have an app that reads in stuff from stdin and returns, after a newline, results to stdout A simple (stupid) example:
import re import subprocess sub = subprocess.Popen([\'/home/karthik/Downloads/stanford-parser-2011-06-08/lexparser.csh\'], stdin=subprocess.PIPE, stdout=subprocess.PIP开发者_JAVA百科E, stderr = subpr
I have this example of pipe and dup use. It is supposed to create a ring of two processes connected by a pipe. Here is the code:
In Unix/linux shell we can: seq 0 100 | head -10 | awk \'NF%2==0\' | awk \'NF%2==1\' | rev Now I defined:
I try to add pipe in a mini-shell. I\'m confused, when I type ls | sort, nothing is displayed, I don\'t understand why :
When creating a pipe with os.pipe() it returns 2 file numbers; a read end and a write end which can be written to and read form with os.write()/os.read(); there is no os.readline().Is it possible to u
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