Re: Another ^A bug
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, CWRUc...@case.eduhttp://tiswww.cwru.edu/~chet/
Re: Optimisation request
On 11/26/18 1:29 PM, Martijn Dekker wrote: > I've noticed bash-5.0beta is quite a bit faster than bash-4.4 in running a > lot of pure shell code. Good news. > > One optimisation that isn't done yet: if a subshell function like > > f() (foo) > > is used in a command substitution, it forks twice. I would like it if it > could be optimised to eliminate the fork if the subshell function is the > last command in the command substitution. There is already code to optimize subshell commands like this; it's just disabled until bash-5.1 so I have more time to test it. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRUc...@case.eduhttp://tiswww.cwru.edu/~chet/
Re: [bug-bash] Bash-5.0-beta2 available for download
On 11/29/18 7:09 AM, Dr. Werner Fink wrote: > On Tue, Nov 27, 2018 at 01:24:38PM -0500, Chet Ramey wrote: >> The second beta release of bash-5.0 is now available with the URL >> >> ftp://ftp.cwru.edu/pub/bash/bash-5.0-beta2.tar.gz >> > I see this > > [ 2709s] seq.c: In function 'long_double_format': > [ 2709s] seq.c:166:9: error: expected ';' before 'return' > [ 2709s] return ldfmt; Thanks. What are you using that doesn't have long double? -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRUc...@case.eduhttp://tiswww.cwru.edu/~chet/ signature.asc Description: OpenPGP digital signature
Re: [bug-bash] Bash-5.0-beta2 available for download
On Tue, Nov 27, 2018 at 01:24:38PM -0500, Chet Ramey wrote: > The second beta release of bash-5.0 is now available with the URL > > ftp://ftp.cwru.edu/pub/bash/bash-5.0-beta2.tar.gz > I see this [ 2709s] seq.c: In function 'long_double_format': [ 2709s] seq.c:166:9: error: expected ';' before 'return' [ 2709s] return ldfmt; [ 2709s] ^~ with attached patcj this should go away -- "Having a smoking section in a restaurant is like having a peeing section in a swimming pool." -- Edward Burr --- bash-5.0-beta2/examples/loadables/seq.c +++ bash-5.0-beta2/examples/loadables/seq.c 2018-11-29 15:06:37.818582755 + @@ -161,7 +161,7 @@ long_double_format (char const *fmt) strcpy (ldfmt + length_modifier_offset + 1, fmt + length_modifier_offset + has_L); #else -strcpy (ldfmt + length_modifier_offset, fmt + length_modifier_offset) +strcpy (ldfmt + length_modifier_offset, fmt + length_modifier_offset); #endif return ldfmt; } signature.asc Description: PGP signature
