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#!/usr/bin/env ruby
if ARGV.length != 1
puts "usage: core.rb <corefile>"
exit 1
end
qfile=ARGV[0].gsub /'/, "\\\\'"
x=`gdb --batch -c '#{qfile}'`.split"\n"
m=/`([^']+)/.match x[0]
f=File.open("/tmp/backtrace_#{$$}.gdb","w")
f.puts"bt"
f.puts"quit"
f.close
cmd="gdb #{m[1]} #{qfile} --command=/tmp/backtrace_#{$$}.gdb"
x=`#{cmd}`.split("\n")
i=nil
x.each_with_index {|line,i| break if /^#0/ =~ line }
x[0..i]=[]
puts x
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