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Bug #1052 ยป file_seek_pos_issue.rb

Small example for reproducing problem with seek, readpartial and pos. - MenThal (Kent Dahl), 01/26/2009 06:17 PM

 
filename = "/tmp/foobar.tmp"

File.open(filename, 'w'){|f|
10.times {|i| f.puts "#{i} bottles of beer..." }
}

File.open(filename){|f|
f.seek 0 # Comment out this, and it works.
f.readpartial(10)
p f.pos # Expect 10, not 0.
}

# Output:
# ruby1.8 tmp/file_seek_pos_issue.rb => 0
# ruby1.9 tmp/file_seek_pos_issue.rb => 10

# System:
# - ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]
# - ruby 1.9.0 (2008-06-20 revision 17482) [i486-linux]
# Ubuntu 8.10
# - Linux wintermute 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:20 UTC 2008 i686 GNU/Linux
    (1-1/1)