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Re: unbalanced parenthesis not recognized

From: Chet Ramey
Subject: Re: unbalanced parenthesis not recognized
Date: Fri, 19 Nov 2021 10:27:34 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.2.1

On 11/19/21 2:02 AM, Harald Dunkel wrote:

"Some scenarios" is the point here. The parenthesis have to balance as
soon as it comes to shell parameter expansion, which is (or should have
been) the case here.

OK. Let's look at the original example:

: ${SSLDIR}:="${JM_WORK}/ssl"}

Where do you think parameter expansion applies here, as far as the final
`}' in the string, and why should it "have been the case?" There are no
incomplete parameter expansions in this command; why should the shell
assume that a close brace appearing by itself should be matched somewhere?

``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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