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 15:25:44 -0400 Lines: 20 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 1598729160 1290 209.51.188.17 (29 Aug 2020 19:26:00 GMT) X-Complaints-To: action@cs.stanford.edu Cc: Koichi Murase , bug-bash@gnu.org To: Ilkka Virta 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=zLYIn14F2JwitdGFun6lshAyENxdGvhZby1n5wk2lJY=; b=EUcwZcXuoHYMrDV2zn/1IYIj7CqpIGvlbcp1muI2ITZt/x6e5LFxCzsePE4FywtEoM bopYp/ix0N0kYjs/Qn4iEtlx3O4oDdshweuMNY7XVGAPvOftybyjxzPLDEjPS51QdOs0 fsH3zKy0nASF7Rsg88EFtvFRi6rXxrMLawP+KoGC9ciURUU7pv/k/MrFOCOGwNSKD+xu VMWy2HhIjsl3gapcOrkZzUW+kC8CBknnyawNxcX5jNHVsJYdRpW0I3qJRe6bQ2SMd9Mm eLcL+zcsQW5qCIiIC/Qc0zlYdZnPip8/lkYtK2kFummbCYIfE7zdxobh8LJiJ7P1RmJ1 Dufg== 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=zLYIn14F2JwitdGFun6lshAyENxdGvhZby1n5wk2lJY=; b=pdvNYGv6V2bpbH32vLhVQo+h0rlHnb8nUMHEKIOx9CtQwoubbMiMBZyCH2P/UZW2LK +PVB5lUShpVOdSvpNjD59tFhGFHL5+tYRqKXwF37wMdI5O0+MsPbMjtxMbMqcPAP9Vut jyZP0bLNNaza8PSO+BFCPmAuhuMlGFeIpgpRR340FF0e3EJ+i28OBEPKewDNCuuPA2wi eGGvoQxznLj1lPJk4mZe7BE1ImIqK2XeFJz1r+gAv4xKJcFJu9GrOez6aAAxeQVUW3Hx QOB8G1LAFa3Dudci+fdeSM0eUSYrJgzRNUu8U0zL6LY0zer3yJRrsHKbbleLy1FitE2O M7vw== X-Gm-Message-State: AOAM530i0dtqGEX5uPxtX/45r75r/khjQboz5P72ygJWZZ+3UG1wSYq8 D05Uzj4sMj/c9PVmkg2b2t1KRRd60ocbaYTABzY= X-Google-Smtp-Source: ABdhPJwmyAt4iEgSQhxMKFUmSR55SlWJ+/ldywjWtsRxSt8SKHNFXxlLRFerakt267/Bi7rbYBje8JFWPiFhItwAkFY= X-Received: by 2002:a6b:8d57:: with SMTP id p84mr3388359iod.206.1598729155279; Sat, 29 Aug 2020 12:25:55 -0700 (PDT) In-Reply-To: Received-SPF: pass client-ip=2607:f8b0:4864:20::d30; envelope-from=bruce.lilly@gmail.com; helo=mail-io1-xd30.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:16851 Unfortunately, because bash is GPL, I can't post the copyrighted script which is covered by a non-GPL license. On Sat, Aug 29, 2020, 15:22 Ilkka Virta wrote: > On Sat, Aug 29, 2020 at 9:56 PM Bruce Lilly wrote: > >> Please don't assume that something output by printf (without quoting) for >> clarity is representative of actual expansion by the shell when properly >> quoted. >> > > If you don't want people to assume (and you shouldn't, if you want them to > help you), > you'd better post the actual script you use, and not just something output > by printf. > Without that, it's impossible to check what quoting you used, or to > reproduce the issue. > >