From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 31437 invoked from network); 26 May 2023 20:52:48 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 26 May 2023 20:52:48 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20210803; t=1685134369; b=U3h54cdwvykukVyUjPxzeus+LvhAPomok5YCeAYGfOHeqcRnjmz79nyaDroRsZaquY4vlGDmfd zJebCcYSQAhHP53BJhr/yvpXbs1jjAJrk4dtV/VegMfDvj4A+sUJg4GgZZ3WYlJadH78BeLfxG p+N7nJLvglGwchrGEfR261i1AvSnJIAO096AHAVN1E1iLCuOQi6o5HQMvciT69KPFglsVOPl66 bSQZ3JX7/dd9fmGyTnM8TCsKE6wwf6jSA67N8EjJOjwOKrXEkFfRxIo4hxDgWUzSO8mrQ5cXAO fEc5DLUCZHGtKPw0NBrSv3szYrbziBjro7KRTkPVfvZMPg==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (mail-ej1-f50.google.com) smtp.remote-ip=209.85.218.50; dkim=pass header.d=brasslantern-com.20221208.gappssmtp.com header.s=20221208 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20210803; t=1685134369; bh=pGDWdbXE7MQtfcLOHYdk4dLs3F444T9UCDeiv7XpLOU=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Content-Transfer-Encoding:Content-Type:To:Subject:Message-ID: Date:From:In-Reply-To:References:MIME-Version:DKIM-Signature:DKIM-Signature; b=mMGnHCkJ7sWTytW4B+c0p3OGWY4R2VfNbs4OfcVMNVQXgNpBZKSP+CDSMYZS9iLT0XTwjb/hsx aLKWBKANJ18myF/I0IaXXRMY5pkYEhC11OT8EFn6i2oADHcHhA5HxeguLUus0e1JAgiizrw4Sv TdfV+Ha12WM9ntAfR62jaKF5FRO/srMQJgs41/EgE6mHWh5K6uHFP6B9BCSrMO74rYi76jQShj asD+pTJo+unk80GiCd+qkCQ/uv+2/DTZoPzTHx6QBQG6OcNPzgHJeYb9zZkj5nPbfel6zOtvZu AoCx4dZCMnBiocoLAxQOJLZ9AWBW9JCQnB22mdiwdTKIEQ==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20210803; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Content-Transfer-Encoding: Content-Type:To:Subject:Message-ID:Date:From:In-Reply-To:References: MIME-Version:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=aK6ohGDyHs7UW8Jo2zM4oKvQ0qLz5dLCR9RzayOAq8A=; b=YOK+OtUEfcFK4y46Odw8UWohpO zj5Y3R02uGaCW+z3xv4g1TLH5B58G9tQnPTG9g4q+5Ls0B7YJ0IEo/ctevsOFRf0Af1FwUmd7iswN QG60O8ryGh7kotZ29H8kNTcTKsTrS6pBAdZAi0xfLhUpIWCsFEvvebHsbFRvRpua1F6M6SqmypN/6 PxSqP33ugdBWq/TZpukKYktu2U3WUxok9IhMQR87lqw7a60Q924AWbvqCYUHi6cYUQCmn/WAwTPub dWvQiBikYG3+gjo6+qKtzj3MaPppnw0agb/GhtxcWfv62lalbY+EAUMMhS0EmO3MsDqneI+HAkZRA tWK4K/tA==; Received: by zero.zsh.org with local id 1q2eQa-0000OC-4u; Fri, 26 May 2023 20:52:48 +0000 Authentication-Results: zsh.org; iprev=pass (mail-ej1-f50.google.com) smtp.remote-ip=209.85.218.50; dkim=pass header.d=brasslantern-com.20221208.gappssmtp.com header.s=20221208 header.a=rsa-sha256; dmarc=none header.from=brasslantern.com; arc=none Received: from mail-ej1-f50.google.com ([209.85.218.50]:44392) by zero.zsh.org with esmtps (TLS1.3:TLS_AES_128_GCM_SHA256:128) id 1q2eQG-00006d-MP; Fri, 26 May 2023 20:52:30 +0000 Received: by mail-ej1-f50.google.com with SMTP id a640c23a62f3a-96f7377c86aso201761966b.1 for ; Fri, 26 May 2023 13:52:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brasslantern-com.20221208.gappssmtp.com; s=20221208; t=1685134348; x=1687726348; h=content-transfer-encoding:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=aK6ohGDyHs7UW8Jo2zM4oKvQ0qLz5dLCR9RzayOAq8A=; b=UX+z3ffCjWMIOQBjGsE/V3JmbJGBYsq52Rq5hC325Nrxm0dov5hw8qPD9OVKCWbekA hfNfl07ZVkh1rX/tZSez3E51qtumsurODHc7Fatu4JIiS0HM8FC9MWPm9h6/doJx99eD 1KLCfiPsq8xSzvHFnLCkfoVx7zD6pED9xlbq+Ng2dr//1hggPjcGYf/YRSaz+08MgKP4 pgm2CRFfummFtv4shkAbWXd3j7zIRZ8QG6u0s6bxzkBI/ZIx5LHAj1mycNy/9o/LO1kk eF0lzEm2joJfMhZG1G3Nj/0ex3M7drIhqu3VsTFyFwDQd8lTqn2dq1pyKHZBXSaiicXP qAIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685134348; x=1687726348; h=content-transfer-encoding:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aK6ohGDyHs7UW8Jo2zM4oKvQ0qLz5dLCR9RzayOAq8A=; b=SaQi6d61rviXyL90OzQdWkm+awQjhkuK/bb0LmjxmTcuGkgoBBkkGVwnB1zJ0nN2bH 7xQ5lrxdYhcJqEbxHp1PTh/6frIe8hDyZmWjR+LzCzvYjYRRubz7BA38OhyN9zDuFs5j Y6CjQrWx1Ltcuv3pGgw5M1FS/A3OlGc73+rr+5psQ+sw5Ya7iaFjKkaxnXjkRg9wpyQm DMz6NDPfHne3/zWGW4cbUs6ZLSEVWlr0Mf2O/0JRA5b27+avieh/3fTReshtAzu9pcOe 6+1lkWMx2YpRaQff4FTf2+hxbn4cjfl3ED+mThEvfW4UM9RO2/+lk4VPHwylN++yO110 a+2g== X-Gm-Message-State: AC+VfDzgSCCjjjA4mxo7xasR2wRGfd92ZnWrGJD7A9MS8GvgqfbUdCrd AVvqxfe085m5QfpLO1ie2HzJ3GMWfY8Ec9ZrNRavbTAOMJUHrlX/ X-Google-Smtp-Source: ACHHUZ78F6+9o8yKvrb2oD+6Bnt0mG1uhy7gSqeOJ4Fy7dw0ZDs9SiL6dTuLt9GkO+XV44ZMhKDAakdPwI0NB2NtS0I= X-Received: by 2002:a17:907:7291:b0:94f:553:6fd6 with SMTP id dt17-20020a170907729100b0094f05536fd6mr3362992ejc.24.1685134347957; Fri, 26 May 2023 13:52:27 -0700 (PDT) MIME-Version: 1.0 References: <1297534493.4668003.1685024167868@mail.virginmedia.com> In-Reply-To: From: Bart Schaefer Date: Fri, 26 May 2023 13:52:16 -0700 Message-ID: Subject: Re: stdbuf -o0 -i0 via a Zsh native interface? To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 51800 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On Fri, May 26, 2023 at 2:30=E2=80=AFAM Roman Perepelitsa wrote: > > This won't work reliably. E.g., it may not work on binaries that are > linked against a different libc. Exactly, hence my suggestion of a mechanism for prefixing external commands with the name of a local "helper" that would work with the current platform's libraries/linker. There's already a fork happening so it doesn't seem worthwhile to try to build that functionality into the shell itself. > A more reliable solution for your > problem is something like `unbuffer` from `expect`. This tool creates > a TTY Indeed, using unbuffer as the prefix command could be a fallback for cases where there is no stdbuf equivalent.