16 сент. 2010 г. · A pipe will connect standard output of one process to standard input of another. So ls | echo Connects standard output of ls to standard input of echo.

17 июл. 2014 г. · I've got a script, ex myscript.sh, and it has to redirect to stdout what it gets from stdin (like a cat).

31 мая 2013 г. · How can I pipe the output of one program to another, but also have it appear on screen. For example, to duplicate what winds up on the clipboard in dir | clip.

13 нояб. 2012 г. · In order to know how to prepend something, you have to wait until the upstream command (eg echo ) sends the EOF, so that you can insert your data ahead of it ...

25 сент. 2018 г. · In a bash script I'd like to execute a command while piping the stderr to both a file and to the terminal. However, I want stderr to stay on the '2' file ...

26 июл. 2019 г. · Create a named FIFO that will loop the pipe: mkfifo myfifo <myfifo program1 | program2 >myfifo rm myfifo

19 нояб. 2020 г. · There are tools you can use to capture output from a command while still providing a tty for it: unbuffer, script, expect, screen, tmux, ssh, possibly others.

3 окт. 2018 г. · The first command has no effect, i.e. instead of redirecting the output of ip link help from the stdout to grep , the pipe is simply ignored ...

24 окт. 2018 г. · tee command reads the standard input and writes it to both the standard output and one or more files. The command is named after the T-splitter ...

12 нояб. 2015 г. · echo "hello world" | cat works while cat < echo "hello world" does not? My (incorrect) intuition is that pipe would redirect stdout to cat as stdin.