Path: csiph.com!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail From: Koichi Murase Newsgroups: gnu.bash.bug Subject: Re: Bash parameter expansion (remove largest trailing match, remove largest leading match, pattern replacement) does not work Date: Sun, 30 Aug 2020 03:52:32 +0900 Lines: 14 Approved: bug-bash@gnu.org Message-ID: References: NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Trace: usenet.stanford.edu 1598727172 32211 209.51.188.17 (29 Aug 2020 18:52:52 GMT) X-Complaints-To: action@cs.stanford.edu Cc: bug-bash@gnu.org To: Bruce Lilly Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=I1F1WAQ3lzHTHltMFHqp/6r6idBRyrqbqb0KLw59A5Y=; b=tGSd/3sZiNfCUTb3qUMjoXwtPYnbfT4q8hj9Xktt9fA4Pr9BgdHylfuyXTqmoA47I0 UbJRI6ojmHXbBh+NDjorcQVYI6leR6yCyAAB6xnPR+T1Dwz7BCHdFgJVfZBJq5G8VZ8M 4LoqCFAKCjucuGztWb+z+ByUuQuVPrqwkN8pU+RBE7A/pT0exA5YCu+IMJKs96c0UJWV sNPCRpInQgVWVX30LExa6Au/vJnBDEmblwnfMK7NpVVELjDrzaWiog45f8eQa3rk8C36 Y+VuirZBCvKQ3DI8PcSIk211DMGYB+fA5KD1D8Ja5sMHa9ibb2KbaFY6IZj4t9MnVdne XBtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=I1F1WAQ3lzHTHltMFHqp/6r6idBRyrqbqb0KLw59A5Y=; b=Fl6xBG/pLboPqGCxGVvvUC2xvPqZijIXTpeEfznbQSG5IcFWt6AYyuh6tj2cABnQmD ZrdzBPtMkiukuKNjIynqBSukwgRorMRUYO6T+eQvdOOkjPOtWVVM1+dtT4WsB1Yxdpfk cE5lPAQyPCrvDuTjXb7EgZcMsBki1+8NOvMyTuLUwGLGQoyE3ZnKaG1K0+uELMaG9TrF 1jU7bJVreljzJ7dX68ZDFvp/p2ZkPox8a7DN0UNSZVi6rLNel09dZMQNh38VdKX7FTcs CWaHXurlmmfF5RcIXmEna+dUsgsMWqURPIMW4yxQXNmhfonY+9lRwcdODL9GsHGs1qU9 Jp2A== X-Gm-Message-State: AOAM5302GYaooW/rMRDEWCuhE7/+Ux8OJ6ki4t4PVUrmbnuc50hp3Kmw ffPZ+sbgc4kkPnRjZph1e29E2Py/lVLsTpAxPjI= X-Google-Smtp-Source: ABdhPJzaFnVk1zu75iXR9N69hLQyj4bUCassdM72YKNtIriaHQZKSYGfAWJAbb9h8ApM5TOVR1QZ0mfT/UDmsnUCMhg= X-Received: by 2002:a17:906:40e:: with SMTP id d14mr4557678eja.455.1598727164085; Sat, 29 Aug 2020 11:52:44 -0700 (PDT) In-Reply-To: Received-SPF: pass client-ip=2a00:1450:4864:20::62b; envelope-from=myoga.murase@gmail.com; helo=mail-ej1-x62b.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: X-Mailman-Original-References: Xref: csiph.com gnu.bash.bug:16847 2020-08-29 23:47 Bruce Lilly : > Description: > Bash parameter expansion (remove largest trailing match, > remove largest leading match, pattern replacement) does not work In short, (1) ``octal escape \057'' doesn't have special meaning in Bash glob patterns. `[\057]' means just one of a literal backslash or digits 0, 5, or 7. (2) You need to set `shopt -s extglob` to use extended glob patterns like `+(...)' and `*(...)'. Please look at the paragraph above the list of extended patterns in the manual. -- Koichi