From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 79163 invoked by alias); 20 Jul 2018 12:44:28 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 79154 invoked by uid 89); 20 Jul 2018 12:44:27 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-1.6 required=5.0 tests=BAYES_00,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=no version=3.3.2 spammy=H*UA:6.3, H*u:6.3 X-HELO: mail-wm0-f43.google.com Received: from mail-wm0-f43.google.com (HELO mail-wm0-f43.google.com) (74.125.82.43) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 20 Jul 2018 12:44:26 +0000 Received: by mail-wm0-f43.google.com with SMTP id y22-v6so9717937wma.0 for ; Fri, 20 Jul 2018 05:44:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to; bh=JrQ+4AIG4w8mkb4xxmvCr3dJNUETO9nDyuA4N0BLRqw=; b=O7jxPgrIGMsJ7ZB1jrtjtxr+JJnqiHsqVjx63oWQlQnou+QajRkPFkkTkjjVeMMMtQ p5mhUkRKNHcKV3TB+nrHt8HwVMNIdzGd4fGVp7jpWSR/4T/BGQGQAPSRmJ8xdQT//6ho AfKnXZaATrQs6YOeoeiEnYu91v0dcQb6qK9NpfyZCAYXfdw7aMn1CDcV/zfKv9ITq3sK pB4024375+8wnlzFfCnKUptGxOPHQLVoweGs4CpbFIIL6HoTutHuCR/P3/r8pG8wb7te GsFYSgUSuCRzg7NQlMP4leVUjCQlDDXSSr2wWUJf6ONh0aWTCbwbd70NCAwd1s0gGdsD 97iA== Return-Path: Received: from [192.168.1.37] ([164.215.120.147]) by smtp.gmail.com with ESMTPSA id b6-v6sm2874575wru.66.2018.07.20.05.44.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 20 Jul 2018 05:44:21 -0700 (PDT) Subject: Re: Why is stdin always a pipe? To: cygwin@cygwin.com References: From: David Macek Message-ID: Date: Fri, 20 Jul 2018 14:52:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms030809040607080509090805" X-IsSubscribed: yes X-SW-Source: 2018-07/txt/msg00197.txt.bz2 --------------ms030809040607080509090805 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Content-length: 264 Hi. I see this: > $ [[ -p /dev/stdin ]] && echo pipe || echo nopipe > nopipe > $ [[ -t /dev/stdin ]] && echo term || echo noterm > noterm Am I missing something? I tested various scenarios and stdin is never a pi= pe, neither a tty for me. --=20 David Macek --------------ms030809040607080509090805 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature Content-length: 5425 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG 9w0BBwEAAKCCCygwggU6MIIEIqADAgECAhEA8NKGv1nOupZwd6rRteWxuDAN BgkqhkiG9w0BAQsFADCBlzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0 ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09N T0RPIENBIExpbWl0ZWQxPTA7BgNVBAMTNENPTU9ETyBSU0EgQ2xpZW50IEF1 dGhlbnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0EwHhcNMTcxMjA2MDAw MDAwWhcNMTgxMjA2MjM1OTU5WjAoMSYwJAYJKoZIhvcNAQkBFhdkYXZpZC5t YWNlay4wQGdtYWlsLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBAMiufowzzzBSQMkii/5iXRFzr0/8MpPEtcd5IrIEHZWiGIxD4aSDbVrk jsQysxOdFZR73+aLrlaW/5Oj7f5Vwh5LJR4xSofc+9o16b4j83Mb/2NHIxPa 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