Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: Roger Newsgroups: gnu.bash.bug Subject: Re: Protect Loop Execution with Traps Date: Wed, 29 Jan 2020 15:19:07 -0500 Lines: 19 Approved: bug-bash@gnu.org Message-ID: References: <20200128212551.GD12574@localhost4.local> <20200128020322.GA31704@localhost4.local> <20200128134935.GM1350@eeg.ccf.org> <20200128204932.GB12574@localhost4.local> <20200128210721.GU1350@eeg.ccf.org> <59.1580277932@jinx.noi.kre.to> <20200129143352.GY1350@eeg.ccf.org> <20200129201907.GA17112@localhost4.local> NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: usenet.stanford.edu 1580329156 21362 209.51.188.17 (29 Jan 2020 20:19:16 GMT) X-Complaints-To: action@cs.stanford.edu To: bug-bash@gnu.org Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=aBPai7yz9WTXcxM/Fwy6Emr14BpvrIYNZl1OmWxJ3PE=; b=NnCtCt624QwSgqEG8AP84Njv9RYW9xqQEJlbosJPHhoUyGsisHJrT/9MBhHKKLPCuB d0r8XguLPYJN8cN5GRQT2MIvdA0bFfvwLXl8F67jdI5Y3T7xrcmzWiSY9E7UHXyWo/6q VvTnk1fEoEfxpwVC15svHC+xmw08Hsh4nS+7F0zKOFv7/D29FLrNPcIZYPeu6kuEG1ws bokDpKustQngDFVlOVrSal2y7m4QNZ7FiMKeJY1lvcfnhK8zRpaMMq+iJOh63iE7D647 nnHvMBEKFa3nAIcjPVy3KpzXFJ5fFaS7pkDBJ+153WHuYCf/D4eBQRewsKgFRTu0I6Aj L/Cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=aBPai7yz9WTXcxM/Fwy6Emr14BpvrIYNZl1OmWxJ3PE=; b=FWcc4NBsWkdd8k8TgvuSXgyJof3YfAZLmwUdTuwjgniisHgwTOt6CDHrMwS7NyH5WZ vh/MHUKMJVcqqM/Uu+1NlbZBuGdojuu/niXSKIBlejPx8DGhYufheLJm6Vf/dj8c0HuA 1YsPB3N6YsrOSqcbLUb3VmzqhhGCKddaEImUGUQPTWr61itLNlaoaoTDFqDG3DazOS3Q zUrMkSH22+cNoZpthR4NF4MuQUXgz3U5ek1uC8YdTowwD1D1YiyvUUp0B8JutAsl9fZt 6YUzaqdYT1IT5/5orYTlgs+s71gIhmXcfHCDvH6pRn0d3QDOnFXWrfwn4Slt1rdw7+tO wPaA== X-Gm-Message-State: APjAAAWqmq+KepYdRZDxaooqRUOG21rYnlADADc8k7waq7JU4AlWUCPu xhNAW1lLU3ZImp8+Qdx9YhoHon4hiO0= X-Google-Smtp-Source: APXvYqxDU/nJiFHFul/mhzwQhL51RMHY/W0MW3QqSub/GEunmYu+WAUgAV2yvvfh8yA6m2XidNtjQw== X-Received: by 2002:a05:620a:1010:: with SMTP id z16mr1568035qkj.237.1580329148621; Wed, 29 Jan 2020 12:19:08 -0800 (PST) Content-Disposition: inline In-Reply-To: <20200129143352.GY1350@eeg.ccf.org> X-PGP-Key: http://rogerx.sdf.org/about/armor-F515AC1F231FFC4EF0BCDE7606CEA0ECE2887C75-20170104.asc User-Agent: Mutt/1.10.1 (2018-07-13) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::72c X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: <20200129201907.GA17112@localhost4.local> X-Mailman-Original-References: <20200128212551.GD12574@localhost4.local> <20200128020322.GA31704@localhost4.local> <20200128134935.GM1350@eeg.ccf.org> <20200128204932.GB12574@localhost4.local> <20200128210721.GU1350@eeg.ccf.org> <59.1580277932@jinx.noi.kre.to> <20200129143352.GY1350@eeg.ccf.org> Xref: csiph.com gnu.bash.bug:15848 >sigint_handler() { > trap - INT > kill -INT $$ >} >trap sigint_handler INT One thing to note here, I tried inserting the "trap sigint_handler INT" prior to the loop/for/while statement (or outside of the loop) and the trap doesn't work as you state it does for yourself. I find I have to insert "trap sigint_handler INT" within my loop (for/while) section of code, for the trap to work. In my eyes or for me, this works as expected. -- Roger http://rogerx.sdf.org/