Additional error checking.
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@@ -49,11 +49,11 @@ while (<IN>)
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my ($from, $to);
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#rename target temporarily
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rename($target, "tmptarg.s") || die "Can't rename $target\n";
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rename($target, "tmptarg.s") || die "Can't rename $target";
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#edit target
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open IN,"tmptarg.s";
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open OUT, ">$target";
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open(IN,"tmptarg.s") || die "Can't open temporary file";
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open(OUT, ">$target") || die "Can't open output file $target";
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while (<IN>)
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{
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