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=0.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 14123 invoked from network); 10 Jan 2022 12:17:32 -0000 Received: from 4ess.inri.net (216.126.196.42) by inbox.vuxu.org with ESMTPUTF8; 10 Jan 2022 12:17:32 -0000 Received: from mout.gmx.net ([212.227.15.19]) by 4ess; Mon Jan 10 07:12:39 -0500 2022 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1641816752; bh=p1x7vaMqfkZBt8+qCgq8589Oyzz4V+c8jyoXYjj8Gis=; h=X-UI-Sender-Class:Date:From:To:Subject:In-Reply-To:References; b=XwbdlVcQvs9fPFqmYb9aFSiSHXcLy0DIugcUxpF1RLtnTPQpKR61hyTYX+C8TVmCO CeH14OzsXZf0zybx85LNO6KXn/bEAdkzHQQN+ne8r7ZIPR11GmcGg8EGl75ESJbMFS Aq/oErA2QR7ryE1lj9EcLFH57Y1ZUrGm/qY63R4g= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost ([141.5.16.215]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1M1Ycr-1n5WlH1M31-0033fc for <9front@9front.org>; Mon, 10 Jan 2022 13:12:32 +0100 Date: Mon, 10 Jan 2022 13:14:13 +0100 From: Eckard Brauer To: 9front@9front.org Message-ID: <20220110131413.30f7c0ad@gmx.de> In-Reply-To: <87tuebg691.fsf@turtle-trading.net> References: <87tuebg691.fsf@turtle-trading.net> X-Mailer: Claws Mail 3.18.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAIAAADYYG7QAAAAAXNSR0IArs4c6QAAAllJREFUWMPtmN11o0AMRi/ZrWCmBakGapgakhbWxZAaUoNqwC1INaiGfcBJgNixN46zfmAeOBxbB935Rn/QyeDc03rgztYGtAFtQBvQBrQB/RiQwg70foAagN+LQgrIAUd/EkiP+Zt+kfDg+5l+f6YB7id8CcSSZG53zUF2bxOjwtBAThjGEU/ha4PV8tMP87MKCW72LLhOeAIIqjNCEdG1UB+1i/MyBEAY4Fgs4Lr5TK14I8RM3eceYxLQQUGm49GJEFhBv170Qq6duc2Mu49DfsPVrLl9Gj1rmWK2LWttGXyuK2lfVQlkFaZHgtrQaCAqNugJCCJmRyZvNt52phLocpfNZingFwb1kcT+INWrGDEBeCx1aH+e285vlPYOjkZTRLGhzf/bibTdwcrCB9cIEDxo19ahX+Xw6MXK2c1YtfR9FqXLLjOBkZJj5CgRSdZekWZVS2YtZKVS8/o69Hm99ikHPSQMdwUZNBAsjGYq76X0UDKFdSR9N9AhAd8yRHEITjn2YzX8ihg6FekThbV2Ll++2N/+odvLcvc3+kbxcKEw721fkVt+LzlzZEODwULFFnBxO6Djaf9ekJ+Hmi+o7lqvmkqQ1BJUkqvS+4tAVTMildACtWdv1V8gNUfJqJUe8luxzgA9gZJmo8dYyPRIy+yoPZnZ56hp1H0PCUm9OVCSWjstZZ9dkhEelW7qwRYlsnYJlBxrRla5nuksUE0PyOwfx5d99E/RP46BZXS17LOQJTsyoSSpUa8dry+o1FO313a8FvtyetV2e6DtVXoD2oA2oA3ov66/BWQZa7j3R/gAAAAASUVORK5CYII= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:KNt4vsVsLB+HsDnTJ14ReuNsMkurLFxZoMxnP2vrEzhw71AkxMb DwQKbWV5CqS7G/BS0SJ4QAfABsLGP88AlS7jRlsPMw5TbI0QaZKPqu9cf0x9mi/fsHTmu5O YtU8fw9nYj6ast6UGmRF6IkU8dt7dhqUxys1ci/8vcAwhqrtGoZluAEE0pz05yYLJylrspk T1/tHO+bvZwfvHbmDLdVA== X-UI-Out-Filterresults: notjunk:1;V03:K0:qBdPgc576fw=:6CRMR2TX4pRvqFAehCURtV MO0wH3FXDm9ZrknbWoqdDcqJJjAkwqmtaXErnmC7Ge7n8U+rrVK33tEEOzferyS7U65LFeMxn kA3WDcNxebglBAkcWsMa3sgTdYHIRy242YuYr9P+ctAevYredPKcrY9tCSFLMahosWJoflE92 iIVyXasmyV0853zBbpnn+OizJmCGu5Fy3fC2viL7EeglzzAsLh4iFvfR1jGg7i8c6r4J3WYkC QzmSF3V8RQyxKTRquORAIO/ePnoiuLFoNFOSErQVCgevdpKW1rHrCNvHGHwv2cxMWMzyWzNZO NBGNC2RjrJOUYphT3CmzslJnAPABFS7c86qUqPP5/37LC8qMhIKhEvHgeTbcXCYo+cHAF4KJX EKGKly0LtmzN5hKHmaSuUF8WpJz9z8bgaLGiE10E/Z3jmgrdFjzkvEk88j7f8GcJr3LoIeJ8Q b+1TdbIpv7EM++LSg27W8tCzZivFX1N0hOASmHyp562i3C1bcW/gPeVNsi0/WJK5hMJ73bKTs wei4OGeKsWVt6+xLUdYvyOE6P2Ee3Aw9b76hvUqH8eavR6pD2FLQHaDK7Q+If3FWKHJUjX/vv E0WBt6Er3OaW49IocQfdjnlNQkJgE3THMtKTpwIsVz/gthcHOeQoo2BnOhsDmuFZld2/uA4+i FSoR68DJ2WBfZ06jvevLycN4Gaap0/8SgA+vHLQ8oQdjLPR1vZUdpV1tblj6tl3w3X/WTpMR7 zaOdYTCj91k94JyieKRyF1/Cs8MEsH3kMarBJSx+Onn2djxcSO7UwTZ05JaCYm+gXce5rDY7A 3sVyVSs9TGrnmxPkH38pG1WrrQefIAUDY1UYN+s3niL5iTGKSRbNMl26PUwMfuypq1di939DQ gDxm6VMq9RQFaFuUMzw7UCDXAj9Pz29NIfnnvniKaKuNAA4HYdBroQ0fPDmGtV1cfdNg5/QU6 IPERcpu7PkW7q7joS/lhhDhv10JerfkUFzmNeyx84ExQuIG3JGpEOMyIXDo6m5pUPqsqATdk8 /ETNmMcQWmSjjmI7n8K1qb8dOea90N/pCQKLtYc6Jsg5Ebvn8aNYha1vZRtGFU9HcD9S1FA2r aspRLqHipvo0QQ= List-ID: <9front.9front.org> List-Help: X-Glyph: ➈ X-Bullshit: self-healing open software Subject: Re: [9front] bc and < > Reply-To: 9front@9front.org Precedence: bulk > I'm trying to write a script in rc that needs to compare numbers. It > seems that rc does not do math, so I try to use bc for that. But I > encounter this: > > term% echo '1 < 2' | bc > stdin:1 syntax error > 2 > > man bc says this should work, right? maybe as a workaround: % a=3D1; b=3D2; x=3D`{echo $a-$b | bc | cut -c1}; if (~ $x -) echo less less