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Date: Fri, 1 Jun 2012 11:36:57 +0200
Message-ID: <CANs8wdChyOK7p9zph=g1_jVsNVvg9n+D+srPGJCNYs75=KNKuA@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 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
- anything else ?

Ben

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