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h=X-UI-Sender-Class:Date:From:To:Subject:Reply-To:References: In-Reply-To; b=FlljXbcZfkag9QTTX8g9+rv8Ab5fufchJSEOSUrDh2Z9LJfw72pl+1d175nmP6hM5 OX5cjnZL9gPGeMvSNwHyXYWiOREDDBwElTLSUCc/hLxle77UOE9ayGJfjNfWY5qRSb ah4fzRsUm1o3kMM6qO3gr+0cpFXqpNWW+2xfFwHk= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from zitrone.obstwiese ([46.223.162.50]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N4z6q-1nl7KX1yzs-010qLG for ; Sun, 22 May 2022 21:18:01 +0200 Received: from luthien by zitrone.obstwiese with local (Exim 4.94.2) (envelope-from ) id 1nsr5S-0001cf-HN; Sun, 22 May 2022 20:17:58 +0100 Date: Sun, 22 May 2022 20:17:58 +0100 From: Dominik Vogt To: zsh-users@zsh.org Subject: Re: Close *all* file descriptors Message-ID: Reply-To: dominik.vogt@gmx.de Mail-Followup-To: zsh-users@zsh.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Provags-ID: V03:K1:wY+RgbKhOFnWAq2xkDTueaooWSBMHsmWA+N2K96qeA62sKkD4DL haabKHOGV0dF1PXIxVE3RNoHnBMWSwYPVsw4cAMO9may0IMcvnpu9pgdExnQSG+L+A2iTet JE1Y3+AJuAhCBd0BRRnQmRQE9pjNtsBImneRfklVJXriQXBMU8qHzxEA+eK0FFZjaH20R2x GOrx6bg6YA41pDjcdsFAw== X-UI-Out-Filterresults: notjunk:1;V03:K0:taClkiRGsww=:tFy9YuA2pFymtZ2czcJuCY 1ztNnyaitl7Seg3qfChjuQCTG8s+rvWzvnx0X3em3s3IhDJDvQOPPary2UqKrmsl1bKtHJi6E VBY275STQ4ITB0FZsNow4+XuhA7cK1uV/j5YIGlHQ/z7S6FHPI3wcWCm9u88bE0Pbp0CkiKDS DtG4qa4OqXZCoRfBI1aF6v3zGySAXPWUXhZuIK8Y/3+TpzPQnnp2A9wuzl3gijT6pFcvZK05I yqwE0pQM8+2DQBxSjnIkfsiFYNkbeNP34R3eYXWGWZ+TaRMJ9xCbXV6/n2pP5C0rLDeX43T4f oRI/CAXpvLz6freiuAgXqJRW1NLl4EpByNEw7JhKwYU7cDdQ6qF+0nKMURBkwPOtPgD49dvln FOxDOn/ITC0QhRzNNJeaDSppo5nmEHn4t7AmmY+H71Q+0YT0vH4y/w3KmnWDVWbxJjXa9+jSS TGmgH87h+iA+ruQ76HaMFCrqBzu07eJ+C+MOqn1E7cXJysgNhQ7RPenLlfIV7BQZjcGVU12sr BWCURUNQ12IPLeg7CuxVk0tqq0euOrcWvS3caAxnSxaaGsoKSwp1sVllju5Nyty9tG7GsT8JT rZFuTRFtnukl6luJ4zrmrnrXFdnyYZdXLXodfI36y8gMtco4nczIJrn49s0c8kNgIO35kwdoL 9bRoDerQRrkYKLWbQc1tNZaPtyjalJTs7se7CXQoeXS/ESfYuwveQD0ILTcqcFdJwtU9qKyGv 98hJ51XKnFTO/TquWoj0viA9OVZOTxowVi3PTL+42vEC0botdAcHB3/QS5vTMEccAuB2yz4II Gtt3gjn8lG6F1pxY+SNs9flCyT4NhcM42ZW94uLV+hlN7dPohKu/ECOdPKBnvdMgPd9EVep4g zt0a2TAsLPCzGt6kuasLeYUjLfwDFjzer7Ee7DPfm/WWZFGYj35XzxCbl3Y/KEnYSPlvcGHv8 AswEPodoYZ8lRwsg4N4VYsSmPNo8wxCaDDIS/obI6whR97+sP06h05wMoq4qPKIRlG7q2anTX i51hl27tocHzJQJA8IF0qC8BNtttdr3RcDWoDcZY7qUgvxC6YQzISCvEIpQSl+odH1qmpglwC Zlg+LTgN3wt/IAdRokzXMxDlZTBB91E8QQE2L7+SRJnzUpP0uuI9ioFkQ== Content-Transfer-Encoding: quoted-printable X-Seq: 27783 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: On Sun, May 22, 2022 at 05:49:50AM -0500, Zach Riggle wrote: > Unfortunately, macOS does not support proofs, so there???s no nice way t= o do > it the way you recommended. > > I can just force-close the first 1024 file descriptors that I don???t ca= re > about, and hope that it???s sufficient. Does this help? $ for FD in $(lsof -p $$ | tr -s " " | cut -f 4 -d " " | grep "^[0-9]*[urw]$" | sed -e "s/[urw]$//"); do # close/redirect FD or whatever : done Ciao Dominik ^_^ ^_^ =2D- Dominik Vogt