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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: [PATCH] fc: trim range instead of erroring out |
| Date | Wed, 12 Aug 2020 11:40:03 -0400 |
| Organization | ITS, Case Western Reserve University |
| Lines | 27 |
| Approved | bug-bash@gnu.org |
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| References | <bee8013d-39e9-7433-934f-89fce4134369@inlv.org> <b86c684a-64fc-e622-f5b0-16d382a1a27b@case.edu> |
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| To | Martijn Dekker <martijn@inlv.org>, Bug reports for the GNU Bourne Again SHell <bug-bash@gnu.org> |
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On 8/11/20 11:59 AM, Martijn Dekker wrote: > This is different from every other shell, and also looks like it's contrary > to the POSIX spec: > https://pubs.opengroup.org/onlinepubs/9699919799/utilities/fc.html#tag_20_44_05 > > | When a range of commands is used, it shall not be an error to specify > | first or last values that are not in the history list; fc shall > | substitute the value representing the oldest or newest command in the > | list, as appropriate. For example, if there are only ten commands in > | the history list, numbered 1 to 10: > | > | fc -l > | fc 1 99 > | > | shall list and edit, respectively, all ten commands. What's your opinion about what the `as appropriate' means? An out-of-range `first' gets substituted with the first command in the history, and an out- of-range `last' gets the last history entry? Bash does one thing, your patch does another, but neither one does that. -- ``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: [PATCH] fc: trim range instead of erroring out Chet Ramey <chet.ramey@case.edu> - 2020-08-12 11:40 -0400
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