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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: ‘command … &’ creates subshell |
| Date | Tue, 30 Jun 2020 12:40:05 -0400 |
| Organization | ITS, Case Western Reserve University |
| Lines | 25 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.718.1593535215.2574.bug-bash@gnu.org> (permalink) |
| References | <pn9hipci.dag@gnui.org> <ac4a98bd-32f4-5c55-3b8f-1306e9758f54@case.edu> |
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| To | Dmitry Alexandrov <dag@gnui.org>, bug-bash@gnu.org |
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On 6/29/20 4:33 PM, Dmitry Alexandrov wrote: > Dear maintainer, > > I believe, that the current behaviour of GNU Bash: > > $ command cat & > [1] 3831 > $ ps --pid $! --ppid $! > PID TTY TIME CMD > 3831 pts/3 00:00:00 bash > 3832 pts/3 00:00:00 cat > > is problematic. Namely it is: > > 1) unexpected, as (a) it does not seem to be documented, (b) itʼs counter-intuitive and (c) other bourne-like shells (busybox ash, dash, ksh93, mksh, zsh) does not do that; It's an opportunity for optimization, not a bug, since the results are correct. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
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Re: ‘command … &’ creates subshell Chet Ramey <chet.ramey@case.edu> - 2020-06-30 12:40 -0400
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