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Re: Having an alias and a function with the same name leads to some sort


From: Chet Ramey
Subject: Re: Having an alias and a function with the same name leads to some sort of recursion
Date: Mon, 20 Feb 2023 10:11:05 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.8.0

On 2/18/23 12:50 AM, Oğuz İsmail Uysal wrote:

     $ alias foo='cat <<EOF
     bar
     EOF
     '
     $ foo
     $ date
     $ uname
     $ ^C
     $ date
     Sat Feb 18 08:41:32 AM +03 2023
     $

Other shells I tested print `bar' and return to prompt. I remember reporting a bug like this before but not sure if it was the same.

Yes, in this instance, bash tries to read the text of the here-document
from the input instead of the alias value. It's been on the list to fix
for a while. It's not hard, just hasn't gotten there yet in priority.

--
``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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