X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-1.3 required=5.0 tests=AWL,BAYES_00,KHOP_THREADED,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org From: Adam Dinwoodie To: "cygwin AT cygwin DOT com" Subject: RE: Shell script loop runs out of memory Date: Fri, 1 Jun 2012 09:20:21 +0000 Deferred-Delivery: Fri, 1 Jun 2012 09:20:00 +0000 Message-ID: References:

<786EBDA1AC46254B813E200779E7AD36023A42C2 AT srv1163ex1 DOT flightsafety DOT com> <0105D5C1E0353146B1B222348B0411A20A770C827D AT NIHMLBX02 DOT nih DOT gov> In-Reply-To: <0105D5C1E0353146B1B222348B0411A20A770C827D@NIHMLBX02.nih.gov> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id q519Mi6x009627 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. > If that doesn't work, try changing > #!/bin/sh > (which calls bash) to > #!/bin/dash > You will have to have retained the double to single bracket change, > because dash does not have double brackets. Perhaps dash is more > efficient with memory than bash. There's a whole bunch of other alternatives: ksh, zsh, ash, etc. If the problem is forking, however, none of those are going to improve things. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple