Methods Summary |
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public static void | dumpAscii(java.lang.String filename)
FileInputStream fin = null;
try {
fin = new FileInputStream(filename);
StreamCopier.copy(fin, System.out);
}
finally {
if (fin != null) fin.close();
}
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public static void | dumpDecimal(java.lang.String filename)
FileInputStream fin = null;
byte[] buffer = new byte[16];
boolean end = false;
try {
fin = new FileInputStream(filename);
while (!end) {
int bytesRead = 0;
while (bytesRead < buffer.length) {
int r = fin.read(buffer, bytesRead, buffer.length - bytesRead);
if (r == -1) {
end = true;
break;
}
bytesRead += r;
}
for (int i = 0; i < bytesRead; i++) {
int dec = buffer[i];
if (dec < 0) dec = 256 + dec;
if (dec < 10) System.out.print("00" + dec + " ");
else if (dec < 100) System.out.print("0" + dec + " ");
else System.out.print(dec + " ");
}
System.out.println();
}
}
finally {
if (fin != null) fin.close();
}
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public static void | dumpHex(java.lang.String filename)
FileInputStream fin = null;
byte[] buffer = new byte[24];
boolean end = false;
try {
fin = new FileInputStream(filename);
while (!end) {
int bytesRead = 0;
while (bytesRead < buffer.length) {
int r = fin.read(buffer, bytesRead, buffer.length - bytesRead);
if (r == -1) {
end = true;
break;
}
bytesRead += r;
}
for (int i = 0; i < bytesRead; i++) {
int hex = buffer[i];
if (hex < 0) hex = 256 + hex;
if (hex >= 16) System.out.print(Integer.toHexString(hex) + " ");
else System.out.print("0" + Integer.toHexString(hex) + " ");
}
System.out.println();
}
}
finally {
if (fin != null) fin.close();
}
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public static void | main(java.lang.String[] args)
if (args.length < 1) {
System.err.println("Usage: java FileDumper [-ahd] file1 file2...");
return;
}
int firstArg = 0;
int mode = ASC;
if (args[0].startsWith("-")) {
firstArg = 1;
if (args[0].equals("-h")) mode = HEX;
else if (args[0].equals("-d")) mode = DEC;
}
for (int i = firstArg; i < args.length; i++) {
try {
if (mode == ASC) dumpAscii(args[i]);
else if (mode == HEX) dumpHex(args[i]);
else if (mode == DEC) dumpDecimal(args[i]);
}
catch (IOException ex) {
System.err.println("Error reading from " + args[i] + ": "
+ ex.getMessage());
}
if (i < args.length-1) { // more files to dump
System.out.println("\r\n--------------------------------------\r\n");
}
}
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