i checked out a the trunk of yarv:
svn co http://www.atdot.net/svn/yarv/trunk

and saw that some svn:executable properties are set wrongly.
of instance ./eval_load.c (in trunk) is set executable, but it should
clearly not be.

i made 2 queries to create lists of...

1) executable but should not be:
Dir['./**/*'].each {|fn| puts "#{fn} \\" if
File.new(fn).stat.executable? and not File.new(fn).stat.directory? and
not fn[-4..-1] == '.bat' and not (fn[-3..-1] == '.rb' and
open(fn).read[0..1] == '#!' ) }; nil

2) not executable but should be:
Dir['./**/*'].each {|fn| puts "#{fn} \\" if not
File.new(fn).stat.executable? and ( fn[-4..-1] == '.bat' or
(fn[-3..-1] == '.rb' and open(fn).read[0..1] == '#!' ) ) }; nil

you can easily cut and paste the outputs these command generate into
the following to svn command:

svn propdel svn:executable \
./eval_load.c \
./thread_pthread.h \
./thread.c \
./test2.rb \
./rb/mklog.rb \
./ruby_doc/COPYING.ja \
./ruby_doc/ruby.1 \
./ruby_doc/LEGAL \
./ruby_doc/GPL \
./ruby_doc/COPYING \
./ruby_doc/ToDo \
./ruby_doc/LGPL \
./ruby_doc/README.EXT.ja \
./ruby_doc/README.ja \
./ruby_doc/ChangeLog \
./ruby_doc/README.EXT \
./ruby_doc/README \
./lib/optparse.rb \
./lib/optparse/version.rb \
./lib/optparse/date.rb \
./lib/optparse/time.rb \
./lib/optparse/uri.rb \
./lib/optparse/shellwords.rb \
./cygwin/GNUmakefile.in \
./win32/winmain.c \
./win32/win32.c \
./win32/dir.h \
./win32/Makefile.sub \
./win32/setup.mak \
./win32/win32.h \
./win32/README.win32 \
./yarvtest/test_test.rb \
./ext/digest/extconf.rb \
./ext/digest/depend \
./ext/digest/digest.c \
./ext/digest/digest.h \
./ext/digest/defs.h \
./ext/digest/digest.txt.ja \
./ext/digest/digest.txt \
./ext/digest/test.sh \
./ext/digest/md5/md5ossl.c \
./ext/digest/md5/depend \
./ext/digest/md5/md5.c \
./ext/digest/md5/extconf.rb \
./ext/digest/md5/md5init.c \
./ext/digest/md5/md5.h \
./ext/digest/md5/md5ossl.h \
./ext/digest/lib/md5.rb \
./ext/digest/lib/sha1.rb \
./ext/digest/rmd160/rmd160ossl.h \
./ext/digest/rmd160/depend \
./ext/digest/rmd160/rmd160.h \
./ext/digest/rmd160/extconf.rb \
./ext/digest/rmd160/rmd160.c \
./ext/digest/rmd160/rmd160ossl.c \
./ext/digest/rmd160/rmd160init.c \
./ext/digest/rmd160/rmd160hl.c \
./ext/digest/sha1/sha1init.c \
./ext/digest/sha1/depend \
./ext/digest/sha1/sha1hl.c \
./ext/digest/sha1/sha1ossl.h \
./ext/digest/sha1/sha1.h \
./ext/digest/sha1/extconf.rb \
./ext/digest/sha1/sha1.c \
./ext/digest/sha1/sha1ossl.c \
./ext/digest/sha2/sha2init.c \
./ext/digest/sha2/depend \
./ext/digest/sha2/sha2hl.c \
./ext/digest/sha2/extconf.rb \
./ext/digest/sha2/sha2.h \
./ext/digest/sha2/sha2.c \
./ext/bigdecimal/bigdecimal.c \
./ext/bigdecimal/depend \
./ext/bigdecimal/bigdecimal_en.html \
./ext/bigdecimal/bigdecimal.h \
./ext/bigdecimal/extconf.rb \
./ext/bigdecimal/README \
./ext/bigdecimal/bigdecimal.def \
./ext/bigdecimal/bigdecimal_ja.html \
./ext/bigdecimal/lib/bigdecimal/ludcmp.rb \
./ext/bigdecimal/lib/bigdecimal/util.rb \
./ext/bigdecimal/lib/bigdecimal/jacobian.rb \
./ext/bigdecimal/lib/bigdecimal/math.rb \
./ext/bigdecimal/lib/bigdecimal/newton.rb \
./ext/socket/extconf.rb \
./ext/socket/depend \
./ext/socket/mkconstants.rb \
./ext/socket/getaddrinfo.c \
./ext/socket/socket.c \
./ext/socket/sockport.h \
./ext/socket/addrinfo.h \
./ext/socket/getnameinfo.c \
./ext/Win32API/extconf.rb \
./ext/Win32API/depend \
./ext/Win32API/point.rb \
./ext/Win32API/getch.rb \
./ext/Win32API/Win32API.c \
./ext/Win32API/lib/win32/registry.rb \
./ext/Win32API/lib/win32/resolv.rb \
./ext/stringio/stringio.c \
./ext/stringio/depend \
./ext/stringio/extconf.rb \
./ext/stringio/README \
./ext/win32ole/win32ole.c \
./ext/win32ole/depend \
./ext/win32ole/extconf.rb \
./ext/win32ole/sample/oledirs.rb \
./ext/win32ole/sample/ie.rb \
./ext/win32ole/sample/xml.rb \
./ext/win32ole/sample/excel1.rb \
./ext/win32ole/sample/excel2.rb \
./ext/win32ole/sample/excel3.rb \
./ext/win32ole/sample/ieconst.rb \
./ext/win32ole/sample/olegen.rb \
./ext/win32ole/sample/ienavi.rb \
./ext/win32ole/tests/testNIL2VTEMPTY.rb \
./ext/win32ole/tests/testOLEPARAM.rb \
./ext/win32ole/tests/testOLEMETHOD.rb \
./ext/win32ole/tests/testOLEEVENT.rb \
./ext/win32ole/tests/testOLETYPE.rb \
./ext/win32ole/tests/testWIN32OLE.rb \
./ext/win32ole/tests/testOLEVARIANT.rb \
./ext/win32ole/tests/testVARIANT.rb \
./ext/win32ole/tests/testOLEVARIABLE.rb \
./ext/win32ole/tests/oleserver.rb \
./ext/win32ole/tests/testall.rb \
./ext/win32ole/tests/testOLETYPELIB.rb \
./ext/win32ole/tests/testINVOKEVERB.rb \
./ext/win32ole/doc/win32ole.rd \
./ext/win32ole/lib/win32ole/property.rb \
./ext/etc/etc.txt.ja \
./ext/etc/depend \
./ext/etc/extconf.rb \
./ext/etc/etc.txt \
./ext/etc/etc.c \
./ext/strscan/extconf.rb \
./ext/strscan/depend \
./ext/strscan/strscan.c \
./benchmark/run_rite.rb \
./missing/strcasecmp.c \
./missing/flock.c \
./missing/strstr.c \
./missing/crypt.c \
./missing/hypot.c \
./missing/os2.c \
./missing/memmove.c \
./missing/strchr.c \
./missing/strtoul.c \
./missing/isnan.c \
./missing/isinf.c \
./missing/dup2.c \
./missing/fileblocks.c \
./missing/erf.c \
./missing/strerror.c \
./missing/memcmp.c \
./missing/finite.c \
./missing/strtod.c \
./missing/strncasecmp.c \
./missing/file.h \
./missing/x68.c \
./missing/strtol.c \
./missing/vsnprintf.c \
./missing/alloca.c \
./missing/strftime.c \
./missing/acosh.c \

and

svn propset svn:executable \
./mkconfig.rb \
./rubytest.rb \
./instruby.rb \
./rb/insns2vm.rb \
./rb/makedocs.rb \
./sample/test.rb \
./lib/tsort.rb \
./lib/set.rb \
./lib/abbrev.rb \
./lib/matrix.rb \
./lib/irb/ext/save-history.rb \
./lib/irb/cmd/subirb.rb \
./lib/rdoc/markup/sample/rdoc2latex.rb \
./lib/rdoc/parsers/parse_rb.rb \
./ext/syslog/test.rb \
./ext/curses/hello.rb \
./ext/curses/mouse.rb \
./ext/curses/rain.rb \
./ext/curses/view.rb \
./ext/curses/view2.rb \
./benchmark/bm_so_ackermann.rb \
./benchmark/bm_app_pentomino.rb \
./benchmark/bm_so_matrix.rb \
./benchmark/bm_so_nested_loop.rb \
./benchmark/bm_so_array.rb \
./benchmark/bm_so_concatenate.rb \
./benchmark/bm_so_exception.rb \
./benchmark/bm_so_count_words.rb \
./benchmark/bm_so_object.rb \
./test/digest/test_digest.rb \
./test/pathname/test_pathname.rb \

these commands work for me, but i dont have commit rights.
so maybe someone with commit rights can help me clean the svn
repository of this great piece of software.

thanks!
cies breijs.

-- 
"Computer games don't affect kids; I mean if Pac-Man affected us as
kids, we'd all be running around in darkened rooms, munching magic
pills and listening to repetitive electronic music." -- Kristian
Wilson (Nintendo, Inc), 1989

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