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public class BomStrip {
private static final int BUFFER_LENGTH = 65536;
private static final int EOF = -1;
private static final byte UTF8_BOM_1 = (byte) 0xef;
private static final byte UTF8_BOM_2 = (byte) 0xbb;
private static final byte UTF8_BOM_3 = (byte) 0xbf;
public static void main(String[] args) {
final byte[] utf8Bom = {UTF8_BOM_1, UTF8_BOM_2, UTF8_BOM_3};
byte[] buffer = new byte[BUFFER_LENGTH];
byte[] bomBuffer = new byte[utf8Bom.length];
try {
int nRead = System.in.read(bomBuffer, 0, bomBuffer.length);
if (nRead != EOF) {
if (!java.util.Arrays.equals(bomBuffer, utf8Bom)) {
System.out.write(bomBuffer, 0, nRead);
}
boolean eof = false;
while (!eof) {
nRead = System.in.read(buffer, 0, buffer.length);
eof = nRead == EOF;
if (!eof) {
System.out.write(buffer, 0, nRead);
}
}
}
}
catch (java.io.IOException e)
{
System.err.println("I/O error occurred: " + e.getMessage());
System.exit(1);
}
}
}
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