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From: | Chet Ramey |
Subject: | Re: ! history expansion occurs within arithmetic substitutions |
Date: | Mon, 14 Aug 2023 11:41:33 -0400 |
User-agent: | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 |
On 8/11/23 4:19 PM, Martin D Kealey wrote:
On Sat, 12 Aug 2023, 02:29 Dale R. Worley, <worley@alum.mit.edu> wrote:… The line is broken into words in the same fashion as when reading input, so that several metacharacter-separated words surrounded by quotes are considered one word. …I think it would be helpful to start this sentence with "The selected line…", to differentiate from the line just entered containing a "!".
It's both, actually. The line being expanded is broken into words to bound the history expansion, since a history expansion doesn't extend to multiple words, and the event is broken into words for the rest of the process. -- ``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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