X-Recipient: archive-cygwin AT delorie DOT com
DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; q=dns; s=default; b=XerZr90dxdsV42xt
	ixPaYpNbR/vOwpCXB8IXpDVU/bIlqD3TI5l2o3V0h70W8K66trAcZxY9NnJuUIj9
	T+kzEoC96bK3mCxSJX+0rgWjTr/iZwwF/pNMvfr8j3bjnUM8wpo2LeRlE7h0S85b
	in2sXvcuV50K57qLG3w7VyNaB0U=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; s=default; bh=l6oKDaXKVQ840p9NvpeMkG
	Z/zYM=; b=FUUJgAXoHWjGK7OCfxleIiZHiCt/OA8Pa+wmhB1n9Y5KOJP/oTKx4G
	jWAXu4uebwjNXBiPdu39TvhUIkBbC83AO6P0VpaPE2n6k+mvY33rIDG/hdFbuNJO
	F9c0Fl/C1tSpJqwyOqPsiX/ncxVudQ2HOI2zbnnTccW2C+mfrdCBc=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 spammy=Daly, daly, Fergus, H*i:sk:9D9AC45
X-HELO: mail-wm0-f43.google.com
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;        d=1e100.net; s=20130820;        h=x-gm-message-state:subject:to:references:from:message-id:date         :user-agent:mime-version:in-reply-to:content-transfer-encoding;        bh=EMupVJK618SjiXVrrUohHfbh4xhZY6dHYz7XntrluCU=;        b=VjGsWYntGfXxQmCyN0XQFh8QOQYKzFzX1H2Y8aI40YHuy2ecV3DI0cYV38grJ39Kv2         i5OZ9ENbyPBHzj3/VFUHmMXUGwePM1Om7QI8YOHKlFUvury4Z7jnBYQ6AVSllV4XstJQ         hYW0KYfIMwIiZdW+eg02yxDUCHZBjCWSub8Ih8EKtdctJk+5SyoHgAMhQUFu50endIu7         Qlv9/k0pWkJEpUnxvPuRtE3M7xM7U2jCF5Tls4LHCXziLwEiH62cVyA7BiGwNq7qJjkO         IFLYYQFn2K0iTfXZkAVieXNY7StxK4A8CEG2UUjOUCVk158S8g2ZFOZ/a0ldwzBeBFzq         ScgQ==
X-Gm-Message-State: ALyK8tIGMs3+3p9NaOf8RLUSGGrWGSP+S83A5bOyacMFRfMNTbWV3opIItNlu4S8UQOERw==
X-Received: by 10.28.11.79 with SMTP id 76mr15381041wml.91.1467299980884;        Thu, 30 Jun 2016 08:19:40 -0700 (PDT)
Subject: Re: Syntax for sed .. altered?
To: cygwin AT cygwin DOT com
References: <9D9AC45310887B40A7245734E850FBE13946C8A0 AT FS-MX02 DOT frontier DOT local>
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID: <66f0dfe0-e002-9706-8886-2071b0dff8cb@gmail.com>
Date: Thu, 30 Jun 2016 17:19:35 +0200
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1
MIME-Version: 1.0
In-Reply-To: <9D9AC45310887B40A7245734E850FBE13946C8A0@FS-MX02.frontier.local>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
X-IsSubscribed: yes



On 30/06/2016 16:57, Fergus Daly wrote:
>>>> find dirname -type f | xargs sed -i 's/string1/string2/g'
>>>> .. just hangs.
>>>  sed is unchanged from at least 2013, so it must be something else.
>>   Is is possible that this is related to a change in the Cygwin library?
>
> Thank you very much for your interest.
> I was premature in my assertion that sed "hangs".
> But it takes a crazy crazy time.
> I was working on a directory of 6000 text files when I reported as above.
> This is what happened with a directory of <90 files:
>
> ~> find archive -type f | wc
>      87      87    1698
> ~> time find archive -type f | xargs sed -i 's/string1/string2/g'
> real    1m2.587s
> user    0m1.200s
> sys     0m12.884s
>
> More than a minute for 90 files is just extraordinary.
> Anybody else having a similar experience?
> (Thank you again.)
>
> Fergus
>

Not at all

$ find test -type f |wc
     177     177    5119

$ time find test -type f | xargs sed -i -e "s/Octave/Pippo/g"

real    0m5.149s
user    0m0.170s
sys     0m1.183s


BLODA ?





--
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