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Re: [Help-bash] Why time does not take environment variable?
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From: |
Chet Ramey |
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Subject: |
Re: [Help-bash] Why time does not take environment variable? |
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Date: |
Mon, 26 Nov 2018 15:24:39 -0800 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 11/26/18 3:15 PM, Peng Yu wrote:
> However, had bash allowed such syntax, would it causes any conflict to
> other bash language syntaxes. If it would not, why not allow setting
> environment variables before reserved words? Thanks.
Because that's the thing that differentiates recognizing a reserved word
from any other word. Reserved words are only reserved at specific places
in the grammar, including as the first word of a command.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU address@hidden http://tiswww.cwru.edu/~chet/