root@localhost:~# ( sleep .1 & jobs ) | wc -c 41 On Sat, Feb 11, 2023, 3:57 PM 岡部将幸 <okab...@hmi.aitech.ac.jp> wrote:
> Configuration Information [Automatically generated, do not change]: > Machine: x86_64 > OS: linux-gnu > Compiler: gcc > Compilation CFLAGS: -g -O2 > uname output: Linux gold 5.8.0-63-generic #71-Ubuntu SMP Tue Jul 13 > 15:59:12 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux > Machine Type: x86_64-pc-linux-gnu > > Bash Version: 5.2 > Patch Level: 15 > Release Status: release > > Description: > builtin command "jobs" behaves differntly depending on > the presence or absence of "builtin". > "jobs" outputs to stdout, but "builtin jobs" does not > output to stdout. > > Repeat-By: > "sleep 1000 &" > "builtin jobs | cat" -> no output > "jobs | cat" -> [1]+ Running > > Fix: > [Description of how to fix the problem. If you don't know a > fix for the problem, don't include this section.] >