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#!/usr/local/bin/ruby
while gets()
if /^begin\s*(\d*)\s*(\S*)/
$mode, $file = $1, $2
$sawbegin+=1
break
end
end
fail "missing begin" if !$sawbegin;
OUT = open($file, "w") if $file != "";
while gets()
if /^end/
$sawend+=1
break
end
sub(/[a-z]+$/, ""); # handle stupid trailing lowercase letters
continue if /[a-z]/
continue if !(((($_[0] - 32) & 077) + 2) / 3 == $_.length / 4)
OUT << $_.unpack("u");
end
fail "missing end" if ! $sawend;
File.chmod $mode.oct, $file;
exit 0;
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