bug#80010: timeout echo vs. timeout cat

Code Con Carne via GNU coreutils Bug Reports <[email protected]> Sun, 14 Dec 2025 18:01:48 +0000

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$ mkfifo pipe

$ cat pipe

blocks as expected; ctrl-c to exit

$ timeout 1s cat pipe

times out after 1s as expected

$ echo foo > pipe

blocks as expected; ctrl-c to exit

$ timeout 1s echo foo > pipe

expected: times out after 1s
actual: never times out; ctrl-c to exit

coreutils 9.4-3ubuntu6.1 amd64