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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: exiting noninteractive shells on 'shift 2' |
| Date | Fri, 9 Nov 2018 11:55:39 -0500 |
| Lines | 27 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.3756.1541782550.1284.bug-bash@gnu.org> (permalink) |
| References | <cd413815-9523-f280-3ef3-fcd21bf7119e@redhat.com> <d8601773-69c8-16d1-82ab-5068d63bb24d@case.edu> <9ced783a-1c2b-f2c8-2287-fc0f6b967fa8@redhat.com> <fbe5c62d-d633-2fa5-32d1-591ff41a23cc@case.edu> <685c4d41-dcf1-61bc-0b65-04e2b180d568@redhat.com> <26ebd997-741d-0966-de68-4c0b4ea00c15@case.edu> <63172bfd-1016-fe59-f2e4-2c67a6c779cc@redhat.com> |
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On 11/9/18 11:46 AM, Eric Blake wrote: > On 11/9/18 10:42 AM, Chet Ramey wrote: > >> >>> A diagnostic message shall be written to standard error whenever an >>> error condition occurs." >>> >>> Since 'shift 2' when $# is 1 is an error, and results in non-zero status, >>> it should print a diagnostic to stderr. >> >> So maybe the thing to do is to turn on the shift_verbose option in posix >> mode. > > Cool - I didn't realize we already had a shopt for that. Yes, it sounds > like in POSIX mode, shift_verbose should be turned on. > > On a related note, should turning on POSIX mode also auto-enable xpg_echo? No. That's just more of a can of worms than I want to deal with. Bash claims strict conformance with both posix and xpg_echo enabled (that's what the `strict-posix' configure option does, among other things). -- ``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: exiting noninteractive shells on 'shift 2' Chet Ramey <chet.ramey@case.edu> - 2018-11-09 11:55 -0500
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