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Re: Line continuation and pipes within command substitution and process
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From: |
Chet Ramey |
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Subject: |
Re: Line continuation and pipes within command substitution and process substitution |
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Date: |
Sun, 11 Jul 2021 15:00:05 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 |
On 7/9/21 5:05 PM, Robin A. Meade wrote:
I ran into an interesting difference in behavior between bash-4.4 and bash
5.0 involving line continuation and pipes within command/process
substitutions.
Thanks for the report. This is a consequence of the ad-hoc parsing for
command substitution that bash used until up about a month ago. I changed
it to call the parser (yyparse()) recursively to parse command and process
substitutions, and this case works fine now.
--
``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/