- 296 名前：デフォルトの名無しさん mailto:sage [2009/10/05(月) 00:52:03 ]
- >>293
import java.io.*;
public class Copy {
public static void main(String[] args) throws IOException {
BufferedReader in = null;
BufferedWriter out = null;
try {
in = new BufferedReader(new FileReader(args[0]));
out = new BufferedWriter(new FileWriter(args[1]));
char[] buf = new char[10 * 1024];
int n;
while ((n = in.read(buf)) != -1) {
System.out.print(String.valueOf(buf, 0, n));
out.write(buf, 0, n);
}
} finally {
if (out != null) out.close();
if (in != null) in.close();
}
}
}
使い方 java Copy file_a.txt file_b.txt
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