Top "Pipe" questions

Interprocess communication in Python

What is a good way to communicate between two separate Python runtimes? Thing's I've tried: reading/writing on named pipes …

python sockets pipe ipc

How do I use subprocess.Popen to connect multiple processes by pipes?

How do I execute the following shell command using the Python subprocess module? echo "input data" | awk -f script.awk | …

python pipe subprocess

With bash, how can I pipe standard error into another process?

It's well known how to pipe the standard ouput of a process into another processes standard input: proc1 | proc2 But …

bash pipe stderr

How to use Windows CMD pipe( | ) feature with CALL :Label command option?

I have a frustrating problem when I want to use the pipe(|) feature with the Window's CMD shell's CALL :Label …

batch-file cmd call pipe

How can I redirect all output to /dev/null?

I want to run a program (google-chrome) in the background, but prevent it from outputting any messages to the terminal. …

bash pipe output-redirect dev-null

File not found error when launching a subprocess containing piped commands

I need to run the command date | grep -o -w '"+tz+"'' | wc -w using Python on my localhost. …

python shell subprocess pipe

How to display the currency symbol to the right in Angular

I have to display Euro currency like this : 583 €. But with this code: {{ price | currency:'EUR':true }} I get €583, is there …

angular pipe currency euro

Capture both stdout and stderr in Bash

I know this syntax var=`myscript.sh` or var=$(myscript.sh) Will capture the result (stdout) of myscript.sh into …

bash stream pipe stdout stderr

How to declare a pipe globally to use in different modules?

I have a custom pipe named CurrConvertPipe import {Pipe, PipeTransform} from '@angular/core'; import {LocalStorageService} from './local-storage'; @Pipe({…

angular typescript pipe angular-module

Pipe character in Python

I see a "pipe" character (|) used in a function call: res = c1.create(go, come, swim, "", startTime, endTime, "OK", ax|…

python pipe bitwise-operators