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Groups > gnu.bash.bug > #14865
| From | Chet Ramey <chet.ramey@case.edu> |
|---|---|
| Newsgroups | gnu.bash.bug |
| Subject | Re: Another ^A bug |
| Date | 2018-11-29 15:31 -0800 |
| Organization | ITS, Case Western Reserve University |
| Message-ID | <mailman.4886.1543534283.1284.bug-bash@gnu.org> (permalink) |
| References | <00a70034-ebcd-848b-4747-f507f95c6b00@inlv.org> |
On 11/20/18 9:24 AM, Martijn Dekker wrote:
> That ^A / $'\1' character just keeps causing trouble...
>
> This is a bug with IFS. Including a $'\1' character anywhere in IFS causes
> expansions in shell assignments to discard that character.
>
> $ bash -c "c=$'Y\1Y';
> for IFS in $'\1' $'\2' $'x\1' $'x\2' $'\1x' $'\2x'; do
> v=X\${c}X;
> printf %s \"\$v\" | od -a | awk 'NR==1 { \$1=\"\"; print }';
> done"
Thanks for the report. Cases like this never come up in the real world,
so edge cases like this slip by.
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: Another ^A bug Chet Ramey <chet.ramey@case.edu> - 2018-11-29 15:31 -0800
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