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Message-ID: | <454A47CD.50009@cygwin.com> |
Date: | Thu, 02 Nov 2006 14:32:29 -0500 |
From: | "Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com> |
Reply-To: | cygwin AT cygwin DOT com |
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To: | cygwin AT cygwin DOT com |
Subject: | Re: bash CR and backquotes trouble |
References: | <454A2CE4 DOT 7030805 AT adacore DOT com> <454A3DC0 DOT 9040305 AT cygwin DOT com> <454A33A8 DOT 9050508 AT adacore DOT com> |
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Nicolas Roche wrote: > Larry Hall (Cygwin) a écrit : >> On 11/02/2006, Nicolas Roche wrote: >>> I am using bash version: >>> 3.1.17(9) >>> >>> I have tried to use shopt -s igncr but I have an issue with the >>> following shell construct: >>> >>> t=`gcc --print-multi-lib` where gcc is a mingw gcc. >>> >>> As my gcc is a mingw program, it outputs CR/LFs. In previous versions >>> bash used to ignore the CR, so t variable was not containing any CR. >>> Now this is no more the case and this is causing some troubles >> >> >> Why isn't "t=`gcc --print-multi-lib | d2u`" not a solution here? > > Well for two reasons: > - portability. the same homemade scripts are also used among a large > flavors of unixes (AIX, IRIX, HP-UX, Tru64, ....). dos2unix is not > installed on all of them... OK. So 'tr' is a better choice then. > - these constructs are appearing in projects like GCC (I triggered the > error while building a mingw GCC). Which is why I suggested doing the translation so you don't get caught. > Is there any technical reason why igncr does not handle this case ? > What's the exact semantic of this option by the way ? Dan has addressed this in his response so I won't repeat it. -- Larry Hall http://www.rfk.com RFK Partners, Inc. (508) 893-9779 - RFK Office 216 Dalton Rd. (508) 893-9889 - FAX Holliston, MA 01746 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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