summary refs log tree commit diff
path: root/src/bltin
diff options
context:
space:
mode:
authorHerbert Xu <herbert@gondor.apana.org.au>2019-05-27 13:39:37 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2020-01-20 17:52:07 +0800
commit7710a926b321879b84bf349b865b1dd4c52083f8 (patch)
tree224c3b41059e522904758d705110de777e19c611 /src/bltin
parentexpand: Fix trailing newlines processing in backquote expanding (diff)
downloaddash-7710a926b321879b84bf349b865b1dd4c52083f8.tar.gz
dash-7710a926b321879b84bf349b865b1dd4c52083f8.zip
parser: Only accept single-digit parameter expansion outside of braces
On Thu, Apr 25, 2019 at 01:39:52AM +0000, Michael Orlitzky wrote:
> The POSIX spec says,
>
>   The parameter name or symbol can be enclosed in braces, which are
>   optional except for positional parameters with more than one digit or
>   when parameter is a name and is followed by a character that could be
>   interpreted as part of the name.
>
> However, dash seems to diverge from that behavior when we get to $10:
>
>   $ cat test.sh
>   echo $10
>
>   $ dash ./test.sh one two three four five six seven eight nine ten
>   ten
>
>   $ bash ./test.sh one two three four five six seven eight nine ten
>   one0

This patch should fix the problem.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions
-0500'>2021-01-20Add messy sh lexerJune McEnroe 2021-01-20Add all target to git.causal.agency MakefileJune McEnroe 2021-01-20Remove Lua supportJune McEnroe 2021-01-20Fix tests for diff spansJune McEnroe 2021-01-20Avoid matching ':' in make tagsJune McEnroe 2021-01-19Prefer tag matches not preceded by [[:alnum:]]June McEnroe 2021-01-19Escape \ and / in mtags search patternsJune McEnroe 2021-01-20Use mtags in source-filterJune McEnroe 2021-01-19Add mtags to generate tags for make and mdocJune McEnroe 2021-01-19Map tags to IDs using only [[:alnum:]-._]June McEnroe 2021-01-19Don't use a pager if reading standard inputJune McEnroe 2021-01-19Support BSD make syntax and match *.amJune McEnroe 2021-01-19Match tab following escaped newline in make assignmentsJune McEnroe 2021-01-18Allow matching lexers using first input lineJune McEnroe