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; q=dns; s=default; b=oAXl 3unKWLm77XWuzhO/BN2/232dQkGtvMXTL9BAY3Wtchtq0e+5CQ7jGrl2oy7rZ6Ws nXe3VXkwySZilkkyU+pYPfgh1mFYZ/KRmLoa1RusBxp+7iUdAkfTWwQ9//lbHG81 zXkxT68D836ii1PQhQZz4jLMaB8YLyczZT4MaJw= 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; s=default; bh=UibN5A7AfT 4F0ZTOcDY65SGeM18=; b=siZYz/bGS4kcqKSBjuwjr7KK3fpUc3uVoVi4kt0Bqz daar+VfrTNn+kZm5i/HU2VMMnE1GzxaK+Yug5JV/j2JX4YfY8CpXmiwrnAFwo0yt yuTpgfvwhmsCbLOc68e5uG2zVve4KTrp0UMU++lYRQhXf584e+cA+HBu54Bg/GLA I= 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 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 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== Subject: Re: Why is stdin always a pipe? To: cygwin AT cygwin DOT com References: From: David Macek Message-ID: Date: Fri, 20 Jul 2018 14:44:24 +0200 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 --------------ms030809040607080509090805 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable 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 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG 9w0BBwEAAKCCCygwggU6MIIEIqADAgECAhEA8NKGv1nOupZwd6rRteWxuDAN BgkqhkiG9w0BAQsFADCBlzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0 ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09N T0RPIENBIExpbWl0ZWQxPTA7BgNVBAMTNENPTU9ETyBSU0EgQ2xpZW50IEF1 dGhlbnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0EwHhcNMTcxMjA2MDAw MDAwWhcNMTgxMjA2MjM1OTU5WjAoMSYwJAYJKoZIhvcNAQkBFhdkYXZpZC5t YWNlay4wQGdtYWlsLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBAMiufowzzzBSQMkii/5iXRFzr0/8MpPEtcd5IrIEHZWiGIxD4aSDbVrk jsQysxOdFZR73+aLrlaW/5Oj7f5Vwh5LJR4xSofc+9o16b4j83Mb/2NHIxPa 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