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#!/usr/bin/env ruby
if ARGV.length != 2
STDERR.puts "Usage: #{$0} <newformat> <oldformat>"
exit 1
end
newformat=ARGV[0]
oldformat=ARGV[1]
def filename2lines(filename)
begin
fp = File.new(filename)
rescue => error
STDERR.puts "#{$0}: cannot open \"#{filename}\": #{error}"
exit 1
end
return fp.readlines
end
def comparecol(linenum,ao,idxo,an,idxn)
if idxo >= ao.length
STDERR.puts "idx0 = #{idx0} is too large"
exit 1
end
if idxn >= an.length
STDERR.puts "idxn = #{idxn} is too large"
exit 1
end
if ao[idxo] != an[idxn]
STDERR.puts "line #{linenum}: ao[#{idxo}] = #{ao[idxo]} != #{an[idxn]} = " +
"an[#{idxn}]"
exit 1
end
end
lines_oldformat = filename2lines(oldformat)
lines_newformat = filename2lines(newformat)
if lines_oldformat.length != lines_newformat.length
STDERR.puts "files of different sizes"
exit 1
end
0.upto(lines_oldformat.length-1) do |linenum|
ao = lines_oldformat[linenum].chomp.split(/ /)
an = lines_newformat[linenum].chomp.split(/ /)
if ao.length == an.length
0.upto(ao.length-1) do |colnum|
if ao[colnum] != an[colnum]
STDERR.puts "line #{linenum}: old=#{ao[colnum]} != #{an[colnum]}=new"
exit 1
end
end
else
comparecol(linenum,ao,0,an,0)
comparecol(linenum,ao,1,an,2)
comparecol(linenum,ao,0,an,4)
if ao.length == 3
comparecol(linenum,ao,2,an,6)
elsif ao.length == 4
comparecol(linenum,ao,3,an,6)
else
STDERR.puts "either 3 or 4 columns expected"
exit 1
end
end
end
puts "#{lines_oldformat.length} lines checked"
|
