Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: Thomas Deutschmann Newsgroups: gnu.bash.bug Subject: failglob handling Date: Fri, 3 Aug 2018 15:29:33 +0200 Organization: Gentoo Foundation, Inc Lines: 88 Approved: bug-bash@gnu.org Message-ID: NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3nQxyHTPvLoQQJASg47s3pEKD1YFmWDVT" X-Trace: usenet.stanford.edu 1533307347 20790 208.118.235.17 (3 Aug 2018 14:42:27 GMT) X-Complaints-To: action@cs.stanford.edu To: bug-bash@gnu.org Envelope-to: bug-bash@gnu.org Openpgp: preference=signencrypt Autocrypt: addr=whissi@gentoo.org; prefer-encrypt=mutual; keydata= xsFNBFc4iggBEACg/drq2pkXyE0mO7cqfaH5UX9D2A8uaBWHcgVPZdf+bVlc7gT1b/TJgFBO yCecB1j9ReWWAE55nwraFL7+5XofRnwVzC3PglN/M/F02fudCeEkFfDtH65DZ67LV0QqXOZ7 e2aqD1NxJM1ydcehIoxgESiv8ctMCcb5Jui2A7vddxEBouQqJKDVqXqANEiBrtd0x4+noRC3 07BN80SgUiwuSJp8Y9+LSdKWGxiDxFAQygDlLWu1QIOg2PUjrM1ZtKCii8IcbnhsEPZj0jcQ f/omIHaksyfMdx6lHfSUZzzLQm41nhWlgYUxzW4D8Nh+ka51FIIWRWwNJTXQNpU8s32AT+rr K2hyNY0F+hnCRc0gUJtAACPZYNYNMlTCIb5yLKo5qoRKcHkAI3vAPEsPO8nmpYaxhI+9PwWJ 9BMaOZ0PjN5P5p0ierOd3yjuu0CIx+yirAvZMZYLx3HylFmuIke5GfcfzTuZhgRL1yoaftCH B0zTc1Rmfgk5dLOPeApgH4E8k3K7OIagzpMXjPsyvdBdI2z/j8unZNvPT5uMCAA9yP7TxijH JeNa6MZyDebzfF+QTK1tOL5pWZolCFKOULHIWK9nX2B3/JJ4r7+5wUmob5UCjKCxjK9xunY5 8TzbpaV517MaLVk1kYuFRptqwRYRJ45l1+qcYwkhUcC+qg06PQARAQABzStUaG9tYXMgRGV1 dHNjaG1hbm4gPHRob21hc0BkZXV0c2NobWFubi5iaXo+wsGABBMBCgAqAhsAAh4BAheABQkH hiUCBQsJCAcDBRUKCQgLBRYDAgEABQJXOfYKAhkBAAoJEFhJfuUdXXSlwnQQAIDi4tsMwzw5 ZY3wSs+E6c37W6i2WGgHvN6MOCxR6qthV3fVL3Q4E4EV8DoGHLLA8rs/OYbJs1aSxF8Omlys +sFiVysrMz1NNL7MGbZ/Ov1CpQqRH+6LFzVVcf3dBGqsI3kXg9aUNw2zETIj0ZyCb+VKZ3yC 1DOVFlmGjaH3DtPCJrfEGfcaweFyn2Azljaot9Dg0ExzmAqwohESQNCfSBYhUC0Mc0HiRtzd 1pTIVSmFDTToztnofsLrkMpciNGaj6D7Mm1hZpI41K4IQ6ZKcJDtWduisYNzgafVWvxtGhpY oAVWmO353WafGpbeoP6IVbHQhIcS1JuN1Sn+lM4QtV0GgSgL5j3OtKmRKNiAcZpHX800TX2V 8yUZN3dj2PMU7fzdnVM0MXNwAvOdcckco5zVExn3OHfTxyrUIyEysj01EKCQdZerWjRLnQ7B QR4ff851B+Sl92tVMPBch8WYVZNTwDzsqzKROAe2UnOCTQoVY7OXh6gRblqGuzllMyQ2bZUP V5XLKDpmysb/y43QKSY5aeO8SOKOv+b8kWAXSKzzXnteErhKeAlDm1PKuAfkjq4swOe3nci4 r1r34Ss03Xgt3cJ6Ep3K87qjlLLDwRVyGEgyDiDItHdyEyLGA44pmWLAJzttHMSt3d9/FsTI 2jwwH9GRFg3oMS9PsEURYIU8zsFNBFc4ixMBEADHHlLOkftcSY+jWd9Vb3uHpPGIpztqU/jd 4mPZvrQGIlZYMO+uGtJuDQVdohQHugNvvnr9hfBYDGlhyAYlRIGkFLdZbsim+An+FGr5+f/P tHikILc0X+FbO8bAc0OjNfUlFaTXeKdEBTtdNiO+0WYWw8CtgTEpng+178q4UnTBae1QiBh5 3YmW0H4t8HQEN/NDuVXEREQXwOtJcP9fxDVdP/ynwHbGajx+qbWaQhcHo57XXIsojH5XoEr9 yvviQW6F2tzp/i88YQ1snTVI0G39TzQO2EJbSQpYUptI0PGSUlMbkm4i46XHFO0q15aQSfAg Eh5NWWzwVel7qDO1YmXb49nhg60MmceAhk+1VGxpuA3RNl6hebYzYdQplDo8EJp1MCt+Z4Lt /tzb+smTFRMyE80QzehOSyvIWCSoGmWY4Njc90AV/P/hSXYQqbuRb3sB3PlPGda7ZwPsoh2A WZU331jeBWwB9YnUJFXP4jGbnpXjHO3+RkRL2A39ZzFki751sPpC3jv0sxJhLBOkJlC+VI/7 t5ODzWElimA8Py1VmZfd2C9eBHYU4Eeay1EN7nl75Hsj2436dH9O45uIl838KNXWd4S+7/P5 NqWir9HjnhQwbaLZdJwJKjzDE9u4JvnAP0gmkqYIaNSAM9WfCA11LavNKJjaJNCc4Zkr2+w4 OQARAQABwsF8BBgBCgAmAhsMFiEExN1pX6cTjyQqoVY4WEl+5R1ddKUFAlrJMcoFCQWj8zcA CgkQWEl+5R1ddKW+Qw/+O/saVmYgBdWDc6Y2BzaOA3kRwixAGjMU2VMO5WifG2WkA1zd0kcY 1nR5XKosu/yLWX1WWde8Wh57BDD418JYMSnNyG976OXAeAgWuzmn+xtM8Tw2bHHCNVfCEqBl yS+lAdrXR3kIiJ/Ebr5EogsEZvVW9gowPoNIrzeXFYKqGGVc5Z4dQDgVRq7jgta6LJgOVYdP z6mrLTdjo4lIlC7U/w/dPBWUd0sn8XmtU5vbAfvgf9dfZtXGYnyI64EGr6I6oVyFj8QO/Ffo G/r+glBettColfcT7IiHUMb9i11Sd/FPsL/0EIHWG+a4JTg3QzAODMHF14BLpuqDElV5HlzX e9LafsH45PH/EvAxCNuOj6P1E4bPOHwD0Fhgia7YXi2OJVes9hWy8IrEgwUEDQQIFtECxdFa nkWlKiYyb9v+nqrjtugh6s6OicvAhnvhESky/QSr747tEnOAFTNYXXtz1BRvTu/tcyBK0m51 jW1Gwax+9ooGCnNEF2KknaW/NyLo4mFdvSOJOehcwOHn73G04GHSQSs6+f8Oy7GOriQCdwao aGduFUuKKOR05r5tstZHpuIW9mlL44LXzGQEEt6INpS0ha2XD28+ojXko2hPt7YgbTqOsFnT 34feWglZ58mWE7UyHEVXYeMIWqtQptgCf5fNc36jGay6gt0aLFlgy48= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:21.0) Gecko/20100101 Thunderbird/52.9.1 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:470:ea4a:1:5054:ff:fec7:86e4 X-Mailman-Approved-At: Fri, 03 Aug 2018 10:42:26 -0400 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com gnu.bash.bug:14438 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --3nQxyHTPvLoQQJASg47s3pEKD1YFmWDVT From: Thomas Deutschmann To: bug-bash@gnu.org Message-ID: Subject: failglob handling Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, please see the following script: > #!/bin/bash > shopt -s failglob > if [[ $? -ne 0 ]]; then > echo 'shopt failed' > exit 1 > fi >=20 > # Let's view current options just to be sure > shopt -p >=20 > # The following glob should fail because /foo/bar does not exist ... > # Due to 'failglob' option, bash should stop here > echo /foo/bar/* >=20 > # This code should never run if previous glob failed > echo Still alive Is the assumption true that "Still alive" should *never* be printed when "/foo/bar" does not exist? With bash 4.4-5 (aka 4.4.12(1)) on Debian Stretch and 4.4.23(1) on Gentoo= , "Still alive" will be printed. When you add "set -e" to the beginning, execution will stop immediately after the failing glob, i.e. no "Still alive" will be printed. However, see the following interesting difference between semicolons and newlines: > $ echo "shopt -s failglob; echo /foo/bar/*; echo alive; " | bash > bash: line 1: no match: /foo/bar/* > $ echo "shopt -s failglob; echo /foo/bar/*; echo alive; " | sed 's:; :\= n:g' | bash > bash: line 2: no match: /foo/bar/* > alive > $ echo "set -e; shopt -s failglob; echo /foo/bar/*; echo alive; " | sed= 's:; :\n:g' | bash > bash: line 3: no match: /foo/bar/* > $ --=20 Regards, Thomas Deutschmann / Gentoo Linux Developer C4DD 695F A713 8F24 2AA1 5638 5849 7EE5 1D5D 74A5 --3nQxyHTPvLoQQJASg47s3pEKD1YFmWDVT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQKTBAEBCgB9FiEEM8WEgsQCKS0uPFwGlwn5DDyW/8gFAltkWMFfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDMz QzU4NDgyQzQwMjI5MkQyRTNDNUMwNjk3MDlGOTBDM0M5NkZGQzgACgkQlwn5DDyW /8hepg//a3ATmbV+NcRLan7crsm8xFXuVEofvLhNew4QwYG/HdhoarqJPKRFBD/X Ni4S7oIF61gqpwlwnqCAvy8TdrlLeunE/pskJcngPvTxCiO9j+S2ne6AfTHvcRaO SBnUVLX157aAS1i9ZBOsuh14ORADu/q+teMQpu5z3X1LOOT0dVsLe4hF9baECajq v3BoZt5v3L3dua9weJBnOeomMcjrajl49QbW6nMEdacH2036e5xpT6xRk/LTsTux YHpPM4QTiENsZQhmCAxyeL2oQ4VmoxhRWif9bbCN+THp1jwyUs2Q8i6zvG5AfJ7R RODBztZPymcGvm0SzYp5Yf3ojLz8kZ6+iC3zfsFxYF701uKQ1jP52hFwn6n3zE9S FiyIijqC42wZmx/bIKiMdzwPNQR9ukHsQOON6qwS6ayS8/4SNcqzDR+7XhuN9QhY v5lqThh2ArQQeXZQNpz0htvH5LwVdWGjpuW3889hD5B71HYsDHcWfJmtdZ2Rk5LM pqQwTpFNm3J0j45q3URVrsrzmY0+5D6fx/XafuvXgdMU0GELCplYqhqyH+2BOVtr mgwqYFFGNPh7JKkwdLfLlMOhcjhud7Dyto50v3CiSymamEr74KvHtRdehYWzdQGZ E6I9pw23/9TuzvxpO3PuQccgLX45Klv7ZfgD72Qz0/rvrrbIpG4= =k5PL -----END PGP SIGNATURE----- --3nQxyHTPvLoQQJASg47s3pEKD1YFmWDVT--