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Re: B20: declare built-in doesn't work in scripts, work around
- To: Chris Marshall <chrism at NORCOM dot NET>, "'cygwin at sourceware dot cygnus dot com'" <cygwin at sourceware dot cygnus dot com>
- Subject: Re: B20: declare built-in doesn't work in scripts, work around
- From: Earnie Boyd <earnie_boyd at yahoo dot com>
- Date: Thu, 30 Dec 1999 12:20:18 -0800 (PST)
- Reply-To: earnie_boyd at yahoo dot com
--- Chris Marshall <chrism@NORCOM.NET> wrote:
> I am using beta 20.0 under NT 4.0.
>
> Running the following script:
>
> declare -i count
A bashism. Isn't supported by sh.
> count=0
> count=count+1
> count=count+1
> echo count is ${count}
>
> should produce the output:
>
> count is 2
>
> but instead produces the output:
>
> declare: not found
> count is count+1
>
> If the above script is in the file "do_it" and I run it from the bash
> command line by typing "./doit" I get the wrong output.
>
If your here document is #!/bin/sh then you're not executing the script under
bash but under sh and the two aren't the same. Again, declare is a bashism.
If your here document is #!/bin/bash then the script will work correctly.
> If I run it with "source ./doit" it works correctly.
>
> A better work-around to use in general is "( source ./doit )" so that when
> the "exit" command appears in the script you are executing, the bash command
> shell doesn't disappear.
>
> Chris Marshall
>
> p.s. Here is the output of cygcheck -s -v -r for my machine:
> Cygnus Win95/NT Configuration Diagnostics
> Current System Time: Thu Dec 30 14:15:43 1999
>
-8<-
I notice that you have no HOME variable. Also, you're using the stock b20.1
Cygwin1.dll. Please read my webpage.
=====
Earnie Boyd <mailto:earnie_boyd@yahoo.com>
Cygwin Newbies, please visit
<http://www.freeyellow.com/members5/gw32/index.html>
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