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Mail Archives: cygwin/2001/03/03/09:00:56

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Message-Id: <200103031351.HAA09018@tigris.pounder.sol.net>
To: richardson AT evansville DOT edu, cygwin AT sources DOT redhat DOT com
Reply-to: Tom Rodman <rodmant AT pounder DOT sol DOT net>
From: Tom Rodman <rodmant AT pounder DOT sol DOT net>
Subject: Re: how2 read value of DOS env var containing a "." ?
In-reply-to: Your message of "Fri, 02 Mar 2001 17:57:21 GMT."
<20010302 DOT 17572189 AT ar63pc DOT cecs DOT evansville DOT edu>
Date: Sat, 03 Mar 2001 07:51:30 -0600

The guy (Bob) at work that asked me the original question came up
with this soln:

  set HACK=FOO.BAR ; echo ${!HACK} ; FOO_BAR=${!HACK}

Thanks Tony and Earnie for your help!

-Tom

On Fri 3/2/01 17:57 GMT richardson AT evansville DOT edu wrote:
>It's kind of obvious that it was programmed not too, isn't it?
>I was just kind of wondering out loud about why a dot was not
>allowed as a legal character in a variable name by the bash
>designers.
>
>I don't think it is a good idea to modify bash so that you
>can write scripts that aren't compatible with original bash.
>A workaround is called for here.  That's what I suggested.
>
>Tony Richardson
>
>>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<
>
>On 3/2/2001, 11:46:33 AM, Earnie Boyd <earnie_boyd AT yahoo DOT com> wrote=20
>regarding Re: how2 read value of DOS env var containing a "." ?:
>
>
>> richardson AT evansville DOT edu wrote:
>> >
>> > Not pretty, but works:
>> >
>> > bashvar=3D$(set | grep DOS.VAR | cut -d=3D -f2)
>> >
>> > (I didn't know that bash vars couldn't have "."s in their
>> > names. I wonder why not?)
>> >
>
>> Uhm, just because it was programmed not too?  Use the source, Luke.
>> (tm)  It is very easily modifiable.
>
>> Earnie.
>
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