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Date:	Fri, 1 Jun 2012 11:51:40 +0200
Message-ID:	<CANs8wdCYg0iqpjh0GJ_gpTtQtw9kGi4wTMwyJ=PgsUAoAmJJsg@mail.gmail.com>
Subject:	Re: Shell script loop runs out of memory
From:	AZ 9901 <az9901 AT gmail DOT com>
To:	cygwin AT cygwin DOT com
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2012/6/1 AZ 9901:
> 2012/6/1 Adam Dinwoodie:
>> Buchbinder, Barry wrote:
>>> You might try changing
>>>     [[ condition ]]
>>> to
>>>     [ condition ]
>>> Perhaps single brackets use memory differently than double brackets.
>>
>> They do: [[ condition ]] is interpreted by the shell; [ condition ] forks to
>> call /usr/bin/[.exe. If forking is the problem, that'll make it worse.
>>
>
> So some things to avoid while (bash)scripting under Cygwin to limit
> BLODA effect :

- | : pipe stdout --> stdin
- $(...) : subshell fork
- `...` : same as before, subshell fork
- [ condition ] : prefer [[ condition ]] construction
- ( instructions ) : prefer { instructions } construction if possible
- anything else from your point of view ?

Ben

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