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Re: [Help-bash] Variable name allowed characters.
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From: |
Chet Ramey |
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Subject: |
Re: [Help-bash] Variable name allowed characters. |
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Date: |
Mon, 24 Jul 2017 14:17:41 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
On 7/24/17 1:55 PM, Mike Mestnik wrote:
> Hello,
> I'm working on a parser for bash and I was unable to find an
> authoritative reference on the format of variable names.
Variable names are defined as `names' in the man page:
name A word consisting only of alphanumeric characters and under-
scores, and beginning with an alphabetic character or an under-
score. Also referred to as an identifier.
If you want something more standard,
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_235
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU address@hidden http://cnswww.cns.cwru.edu/~chet/