Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: YAMAGUCHI Takanori Newsgroups: gnu.bash.bug Subject: arithmetic expression from outside Date: Thu, 5 Sep 2019 17:40:48 +0900 Lines: 18 Approved: bug-bash@gnu.org Message-ID: References: NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-2022-jp Content-Transfer-Encoding: 7bit X-Trace: usenet.stanford.edu 1567687702 6675 209.51.188.17 (5 Sep 2019 12:48:22 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/simple; d=iij.ad.jp; h=From:Subject: To:Message-ID:Date:MIME-Version:Content-Type:Content-Transfer-Encoding;i= t-yama@iij.ad.jp; s=omgo2; t=1567672851; x=1568882451; bh=NmxopjhbK6NV57kUQNm1R0c IzEJC3MW9CFePkkOwbIM=; b=EiXy1hw8yD5N2YG1e5SbInV84m4i3V10iEsRsCiJ3HE6ywJdeHtbc 1USPDzLDSeYdq+RDGPTvuIXdAdCT7VwtXqoHFhJbLtgFBEwt5L6Y9zD7X4CkNCaDJnR0LlqreNrP9 8OJ5Z6PP03DBJNErfNJkVupvkYYHX6zC7uoU03fDkry3+UyAbs9c6f0maPrrK445F0beCNoHW8T1d z4WDRtZHI5z4XFY8Lpfbiq3FUlHZmNh+jO5VaynYJvL95+TK/gxmJyyyMoae4CqeIRwXOfE2fu1jY blRm2nX6AEmv+S8RMBVbw2GuCsaXJtPwoTGUv7N+C1BX5CRG7Z0mBtRCUA==; X-Iguazu-Qid: 33x1hrw7qsF7zMH1pg X-Iguazu-QSIG: v=2; s=0; t=1567672850; q=33x1hrw7qsF7zMH1pg; m=Juo1ZUm9FoPc1++bVov8jfoQrDZ+wmrytpi+FV1VzrY= Openpgp: preference=signencrypt Autocrypt: addr=t-yama@iij.ad.jp; keydata= mQENBFuRyjIBCADZg20vhEjhGPFSLnkI2BmitQueJOGgNkFQ6wqDLXY8W5IBdwVy+RSP3WoY DydeQtd4FwtNIlUVUNUK6cWtTpEIG57zI2upAgCHKJqVaJUNEnleAn5l2ySMFNqyvp9weOHr 1YKcRSGphv8g1yGrHd77enF8WyqMQ5FAbC+tsSclA+wM3scBeHtEBTps6vJiK9gPEbmYazbC xrB0cixYb2eAwfQlUQbiLlXhYsYAB7B2LwjW9xp4LpuzQ28dTf2VtM88MySPQbTs2sIE0UNH LhjtfllOdA1eE2QKddA2cvuAgJtnZN5ogsO0VeJ0gW+MgxGodrHHRzwx4RZnY7FhrbetABEB AAG0JVlBTUFHVUNISSBUYWthbm9yaSA8dC15YW1hQGlpai5hZC5qcD6JAVQEEwEIAD4WIQQE /KPGqyRZZnoPeZ3f1TN0neS21QUCW5HKNQIbAwUJAeEzgAULCQgHAgYVCgkICwIEFgIDAQIe AQIXgAAKCRDf1TN0neS21XMZB/0d+zpPtBxGOayfVzmWFhf/mybiPRCM1xcKVF76ivTolc0W ZjtRzp3Nk2KwYbNA4kiVgiFYPE6IWvn4oGZcxovXmGKgT5live67tXTjRYFWAN5c7VS+7Ual XFNyA7MeY1i+qvN5NVnjlW5TVzRz+Kifk5YuVowtTFoRHjHX/GW29IUXhjq0sYqBekVvSz6O rUjIKx/k3bYRa0xDsC8AFNIOtT5EVA+XdCealTBdk69zQXQn9AwIpBijFCgrss0m3Mir49m+ cP8JumoSqZWQoQCzVdqqfnWi2M4CrFQRJ7imENX7cahQdLrUI8l7o4cb/moF5AXAA0fQys7F d6mWaJSNuQENBFuRyjMBCADA43hZ8E+++EGqFoyXgCy58HPDJcuLmuFGWT/11ogTUo/u3n+U dJMW8N+6IhP+822+/PAaF9rOjvifFQ2PPaJHqin5qkPszlaEXxz0zMO4fIUpGk3A5tpax8rY mA/h2MAMlA9Pn+pTdPXHmgnWopTmU6jFb7vBhyGHa9pXRYYH/aWRWNYsMykjvwuI9xlB6cDW IhJRznCEhRfxRHD4MrIfqSgGfbtSR5yA61o4CsQvuqqxPEmDdJd2cZmxlomUiiz8WnSC0T7A vYrxlMO/+R5/zLBrBKswUNHftCcmC06cp2HYgfZJryP3dVcW7H5CDTIbT96yjfaoOxaI0rZe FfzJABEBAAGJATwEGAEIACYWIQQE/KPGqyRZZnoPeZ3f1TN0neS21QUCW5HKMwIbDAUJAeEz gAAKCRDf1TN0neS21Xv2B/0YELAKbotd+EskmWWsbkSjjZrT/58nO2pNRHLlPtnz3nIuLA4Q J3e1b3wNT0MM3VJ/wwcFBTPyHAwMjk8Ws5/6aLiAjXhUJ1devpL5UfHbw0jX/GjJGn3QFWiH yjH7ZE3XjXdO6lVi+7JVJkeHPOAwO6x0IHYGj79aMDd3xBJl1Gij9LDFUk4btU6a4+BZ0alM xykgXLHoNjUyLYktucRGUYU5NT2nt3z7cW2QGpNe9icnsQTYI12nedPwA5FYoLx3RofOry+7 rcwypHzL995ABZPItK8NFXBZS+0zpNMED/LmUWMOjptItrsNzkt0IWvWgirce3YH0khSANTi H1aM User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 203.180.38.49 X-Mailman-Approved-At: Thu, 05 Sep 2019 08:48:20 -0400 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: Xref: csiph.com gnu.bash.bug:15348 Is this an intended behaviour? % cat sum.sh sum=0 while read n; do sum=$((sum+n)) done echo $sum % seq 10 | bash sum.sh 55 % yes ++sum | head -10 | bash sum.sh 1023 % echo 'x[$(echo Hello, world!>&2)]' | bash sum.sh Hello, world! 0 % bash -c 'echo $BASH_VERSION' 5.0.9(0)-release