What is the meaning of the coreutils yes program?

Question

All he does is repeat the first argument again and again?

Is it just some bizarre Easter egg, or is there a use for it. The manual page is not well resolved.

Answer 1

Some programs, for example. find (1) with the option -okor rm (1) with the option -i, etc .... ask yes / no questions. Some scripts may use these programs with these parameters.

Therefore, it is sometimes convenient to pass the output yesto these programs or scripts.

^{, , ( ) yes . , , .}

, . .

Answer 2

yes /
, , , : D

Answer 3

: yes > /dev/sdaX , dd if=/dev/zero of=/dev/sdaX

. .

Answer 4

.

| RM *.exe

Answer 5

"" ""

- :

yes | head -n10 > 10lines.txt
yes 0 | sed '1~2s/0/1/' # generate 1,0,1,0,... infinite clock
yes 'UUUUUUUUUUUUUUUUU' | tr -d '\n' > /dev/to/overwrite  # with alternating bits