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Groups > gnu.bash.bug > #14800
| From | Chet Ramey <chet.ramey@case.edu> |
|---|---|
| Newsgroups | gnu.bash.bug |
| Subject | Re: [mapfile]: problem reentrance with normal file |
| Date | 2018-11-12 13:05 -0500 |
| Organization | ITS, Case Western Reserve University |
| Message-ID | <mailman.3931.1542045976.1284.bug-bash@gnu.org> (permalink) |
| References | <CACXkx7VreuDnWv8EWvCAiU0E09RRMSgXkabFP5UkBPSgzcVGRA@mail.gmail.com> <cdc5932c-847e-1e55-5785-4e01e2833570@case.edu> <CACXkx7WFFO8nK=H6aKYjVdthgwM_q0p916cJnjLV11FRnoMDEA@mail.gmail.com> |
On 11/12/18 10:48 AM, Didou Serge wrote:
> Ok, in this case, this should not work either:
>
> mapfile -C xx -c 1 UU < <( echo -e "Premiere ligne" A{1..45} "\nDeuxieme
> ligne" B{1..45} "\nTroisieme ligne" C{1..45})
>
> But, this form work fine.
Because the read function underlying mapfile notes that the file descriptor
is not seekable and reads only a single line at a time rather than a full
buffer of data.
Chet
--
``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: [mapfile]: problem reentrance with normal file Chet Ramey <chet.ramey@case.edu> - 2018-11-12 13:05 -0500
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