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Groups > gnu.bash.bug > #14800 > unrolled thread
| Started by | Chet Ramey <chet.ramey@case.edu> |
|---|---|
| First post | 2018-11-12 13:05 -0500 |
| Last post | 2018-11-12 13:05 -0500 |
| Articles | 1 — 1 participant |
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Re: [mapfile]: problem reentrance with normal file Chet Ramey <chet.ramey@case.edu> - 2018-11-12 13:05 -0500
| From | Chet Ramey <chet.ramey@case.edu> |
|---|---|
| Date | 2018-11-12 13:05 -0500 |
| Subject | Re: [mapfile]: problem reentrance with normal file |
| Message-ID | <mailman.3931.1542045976.1284.bug-bash@gnu.org> |
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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