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Groups > gnu.bash.bug > #15545
| From | Chet Ramey <chet.ramey@case.edu> |
|---|---|
| Newsgroups | gnu.bash.bug |
| Subject | Re: Parameter expansion resulting empty treated as if it's not empty |
| Date | 2019-10-30 18:45 -0400 |
| Organization | ITS, Case Western Reserve University |
| Message-ID | <mailman.37.1572475531.13325.bug-bash@gnu.org> (permalink) |
| References | <CAH7i3Lp79s5Kpe+kg6thQtqpaVai19HMoDW1SXNF9Ae71p7HGQ@mail.gmail.com> <c8c05694-005c-9956-a071-a25c99f88be4@case.edu> |
On 10/30/19 7:12 AM, Oğuz wrote:
> Since
>
> bash -c '${1##*""}' _ foo
>
> prints an empty line, I was expecting
>
> bash -c '${1##*"${1##*}"}' _ foo
>
> to print an empty line too, but instead it prints foo.
Thanks for the report. The shell doesn't handle the second quoted string
correctly. I'll fix it for the next devel branch push.
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: Parameter expansion resulting empty treated as if it's not empty Chet Ramey <chet.ramey@case.edu> - 2019-10-30 18:45 -0400
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