Path: csiph.com!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail From: Bruce Lilly Newsgroups: gnu.bash.bug Subject: Re: Bash parameter expansion (remove largest trailing match, remove largest leading match, pattern replacement) does not work Date: Sat, 29 Aug 2020 15:01:58 -0400 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="UTF-8" X-Trace: usenet.stanford.edu 1598727734 426 209.51.188.17 (29 Aug 2020 19:02:14 GMT) X-Complaints-To: action@cs.stanford.edu Cc: bug-bash@gnu.org To: Koichi Murase 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=2p1VpngF47t7Rd4x+51QoL2kmcBbJlPAA9WfPfiCI5o=; b=G+1n+0OoQ9Jh+6F8yJAUPEo7yigSLEue56ARjxhLipkJPyqA6D0aeDNbY/pMVrzHPI kV2e830gvXe6qKL00sVDmz+bItvNHrWN/mufAagUBXsQpQDKScqn+lekQw+CTIhqNmm6 BdSS4Mvq8oHkl0MD9vHhBDEpPHvmCUV+Aur1asfieiIIBWWI29AORi7ljx6zNepAXj8R s9dKVaAXLw4hmWUaTDxeOKr0cZHGQCT/k6WFUAdshgsfEzeKBbWLZguIOQXk6W87kkPq dZgnqJmDdPUg8xdlOjBt3Hj4FVPAhhI6BxokvUoj0aYBDPXzsbl0WifVAmXG9dzKHm3T i3CA== 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=2p1VpngF47t7Rd4x+51QoL2kmcBbJlPAA9WfPfiCI5o=; b=Arl4l87k+a965juYSBRzL+gp8CuN3Hchdlm7GkhkJdgVYnw5HDukqD3tVzK1wS8DUd Xxu5TMfxdlpHOufLoTVSAFvXWE+dtwsrICS7VyVsSEMIfdz0oDUnvBqVSfRqV3SPzU5X XcCImUiuGXnndl+y+yiFpKQgc+5DD9hjzQdIJLEvDzjikPjP0eolxpQYloIh5r5QH/hC mKjUqB0Iuq4KVG3nWzg1/dJQmLreWIByjsLPRefCDmM1/2k8vZw5FG/nfCtK4BdoVRe4 5AGBzm/TCW3Q/qXJGUx8rXp/aPeVpNnCSijG6IiZ0byywxORbAWqYueCbgJPfAxWCljd wjgA== X-Gm-Message-State: AOAM532HJcojcNVlRX0H+tdLA4xfYDblG/D/ev0/IwYhAk3yoZm0i2VX 6fEzA6JVU7JJivV3MSt0dWXPJLxBD/tGtkFzPUw= X-Google-Smtp-Source: ABdhPJwHjM9C64ny5jwn7vBZ/G9SYA5diuu0Zegp1j28PaqkcQbD2Eldi//kM305tx7DQRVHb6AJyDXseEmG4vE5xd8= X-Received: by 2002:a92:1510:: with SMTP id v16mr3665359ilk.241.1598727729186; Sat, 29 Aug 2020 12:02:09 -0700 (PDT) In-Reply-To: Received-SPF: pass client-ip=2607:f8b0:4864:20::133; envelope-from=bruce.lilly@gmail.com; helo=mail-il1-x133.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, HTML_MESSAGE=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-Content-Filtered-By: Mailman/MimeDel 2.1.23 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:16849 Thanks for the pointer to "shopt"; I'll check when I get a chance. On Sat, Aug 29, 2020, 14:52 Koichi Murase wrote: > 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 >