X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-0.3 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,TBC,TW_OV,TW_VX X-Spam-Check-By: sourceware.org Message-ID: <4EE60569.8040609@bridge-quest.com> Date: Mon, 12 Dec 2011 17:45:13 +0400 From: Dmitry Bolshakov User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: it seems a bug inside cygwin in parsing command line with double quotes and backslashes Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com hi when launching cygwin's programs from within windows's cmd if the command line parameter has two backslashes and is double quoted (e.g. a path to local network drive) then inside cygwin's program the corresponding ARGV element has single backslash only but without double quotes all is ok - both backslashes are kept simple testcase C:\Documents and Settings\bdimych>cmd Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych>c:\cygwin\bin\bash -c "set -x; : $*" -- "\\blabla" + : '\blabla' C:\Documents and Settings\bdimych>c:\cygwin\bin\bash -c "set -x; : $*" -- \\blabla + : '\\blabla' C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych>c:\Perl\bin\perl.exe -e "print $ARGV[0]" "\\blabla" \\blabla C:\Documents and Settings\bdimych>c:\cygwin\bin\perl.exe -e "print $ARGV[0]" "\\blabla" \blabla C:\Documents and Settings\bdimych>c:\cygwin\bin\perl.exe -e "print $ARGV[0]" \\blabla \\blabla C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych>c:\Ruby192\bin\ruby.exe -e "print ARGV[0]" "\\blabla" \\blabla C:\Documents and Settings\bdimych>c:\cygwin\bin\ruby.exe -e "print ARGV[0]" "\\blabla" \blabla C:\Documents and Settings\bdimych>c:\cygwin\bin\ruby.exe -e "print ARGV[0]" \\blabla \\blabla C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> it seems a bug somewhere inside cygwin libraries PS cygwin version bdimych AT bolshakovxp ~ $ uname -a CYGWIN_NT-5.1 bolshakovxp 1.7.9(0.237/5/3) 2011-03-29 10:10 i686 Cygwin PPS whoops, tcl occured has no this bug it has some initialization problems but the value has two backslashes C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych>echo puts $argv | c:\Tcl\bin\tclsh.exe - "\\blabla" - {\\blabla} C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych>echo puts $argv | c:\cygwin\bin\tclsh84.exe - "\\blabla" application-specific initialization failed: Can't find a usable init.tcl in the following directories: c:/cygwin/share/tcl8.4 c:/cygwin/share/tcl8.4 c:/cygwin/usr/share/tcl8.4 c:/share/tcl8.4 c:/cygwin/library c:/library c:/../tcl8.4.1/library This probably means that Tcl wasn't installed properly. - {\\blabla} C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych>echo puts $argv | c:\cygwin\bin\tclsh84.exe - \\blabla application-specific initialization failed: Can't find a usable init.tcl in the following directories: c:/cygwin/share/tcl8.4 c:/cygwin/share/tcl8.4 c:/cygwin/usr/share/tcl8.4 c:/share/tcl8.4 c:/cygwin/library c:/library c:/../tcl8.4.1/library This probably means that Tcl wasn't installed properly. - {\\blabla} C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> PPPS gawk has C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych>c:\cygwin\bin\gawk.exe "BEGIN {print ARGV[1]; exit}" "\\blabla" \blabla C:\Documents and Settings\bdimych>c:\cygwin\bin\gawk.exe "BEGIN {print ARGV[1]; exit}" \\blabla \\blabla C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> C:\Documents and Settings\bdimych> -- With best regards Dmitry Bolshakov -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple