CheckSumpublic class CheckSum extends Object | CheckSum - print the checksum of a file |
| Methods Summary |
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| public static void | main(java.lang.String[] av)
CheckSum c = new CheckSum();
int sum = 0;
if (av.length == 0)
sum = c.process(new BufferedReader(
new InputStreamReader(System.in)));
else for (int i=0; i<av.length; i++)
try {
sum += c.process(new BufferedReader(new FileReader(av[i])));
} catch (FileNotFoundException e) {
System.err.println(e);
}
System.out.println(sum);
| | public int | process(java.io.BufferedReader is)CheckSum one text file, given an open BufferedReader.
Checksumm does not include line endings, so will give the
same value for given text on any platform. Do not use
on binary files!
int sum = 0;
try {
String inputLine;
while ((inputLine = is.readLine()) != null) {
int i;
for (i=0; i<inputLine.length(); i++) {
sum += inputLine.charAt(i);
}
}
is.close();
} catch (IOException e) {
System.out.println("IOException: " + e);
}
return sum;
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