From nobody Mon Jul 19 21:25:43 2021 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0509712A2117 for ; Mon, 19 Jul 2021 21:25:44 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GTFJ76gjcz4RPx for ; Mon, 19 Jul 2021 21:25:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C906A1E350 for ; Mon, 19 Jul 2021 21:25:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 16JLPhlx033688 for ; Mon, 19 Jul 2021 21:25:43 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 16JLPhlF033687 for bugs@FreeBSD.org; Mon, 19 Jul 2021 21:25:43 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 257288] awk - loop over array index goes in reverse Date: Mon, 19 Jul 2021 21:25:43 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 13.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: parv.0zero9+freebsd@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D257288 Bug ID: 257288 Summary: awk - loop over array index goes in reverse Product: Base System Version: 13.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Many People Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: parv.0zero9+freebsd@gmail.com Created attachment 226558 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D226558&action= =3Dedit awk on FreeBSD 12, 13 printed lines in reverse order while iterating over a= rray index While trying to print lines with distinct second field in a line to keep on= ly the latest lines with 3 fields, the for-loop goes over the array variable in reverse order surprisingly ... cat <<_LINE | /usr/bin/awk '{ line[$2] =3D $0 } END { for ( i in line ) {= print line[i] } }' 10:09:58 18.1T pool 10:09:59 18.1T pool 10:43:45 18.2T pool 10:43:46 18.2T pool _LINE 10:43:46 18.2T pool 10:09:59 18.1T pool ... I found this behaviour of /usr/bin/awk both on FreeBSD 12.2-RELEASE-p7 & 13-STABLE c 20210628. OTOH, there was no such unexpected surprise from lang/gawk 5.1.0, which pri= nted ... 10:09:59 18.1T pool 10:43:46 18.2T pool Attached is the test shell script. --=20 You are receiving this mail because: You are the assignee for the bug.=