From: ts <decoux@...>
Date: 2003-11-19T02:58:55+09:00
Subject: Re: [BUG] File#rewind, File#syswrite, File#pos on Cygwin build

>>>>> "A" == Alan Davies <NOSPAMcs96and@yahoo.co.ukNOSPAM> writes:

A> On the cygwin build of ruby v1.8.0, I have encountered a strange bug 
A> when using rewind, syswrite and pos.  If you open a file in read/write 
A> mode, read the contents, rewind, syswrite some data, then File#pos 
A> always seems to return zero.  This does not happen if you use the 
A> windows build, or you replace 'syswrite' with 'write'.

 try to add a flush

A> File.open("out.txt", 'r+') do |file|
A>    file.readlines
A>    file.rewind
A>    bytes = file.syswrite(testStr)

      file.flush

A>    puts "#{bytes} bytes written"
A>    puts "Now at position #{file.pos}"
A> end


Guy Decoux