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Re: Problems with command substitution and command alias

From: Chet Ramey
Subject: Re: Problems with command substitution and command alias
Date: Sat, 21 Nov 2020 13:34:55 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.4.3

On 11/21/20 10:04 AM, Hyunho Cho wrote:
> ### 2.
> alias-expand-line readline function affects not only command line but also
> heredoc contents

Yes, that is how it works. The alias-expand-line function just takes what
is in the current readline line buffer, identifies tokens that are in a
command position, and alias expands them. It, like most of the readline
key bindings, is not aware of the shell's parsing state.

``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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