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|
Process awk1, sort, awk2;
try {
awk1 = Runtime.getRuntime().exec(new String[]{"awk", "{print $1,$3,$2}", file1});
sort = Runtime.getRuntime().exec(new String[]{"sort", "-n", "-k", "1", "-k", "2"});
awk2 = Runtime.getRuntime().exec(new String[]{"awk", "{print $3}", ">", file2});
new Thread(){
public void run(){
InputStream awk1Input = awk1.getErrorStream();
try {
int c;
while ((c = awk1Input.read()) != -1) System.out.print((char) c);
awk1Input.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();
new Thread(){
public void run(){
InputStream awk1Input = awk1.getInputStream();
OutputStream sortOutput = sort.getOutputStream();
try {
int c;
while ((c = awk1Input.read()) != -1) sortOutput.write((char) c);
sortOutput.close();
awk1Input.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();
new Thread(){
public void run(){
InputStream sortInput = sort.getErrorStream();
try {
int c;
while ((c = sortInput.read()) != -1) System.out.print((char) c);
sortInput.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();
new Thread(){
public void run(){
InputStream sortInput = sort.getInputStream();
OutputStream awk2Output = awk2.getOutputStream();
System.out.println("lala");
try {
int c;
while ((c = sortInput.read()) != -1){
awk2Output.write((char) c);
}
System.out.println("lala");
sortInput.close();
awk2Output.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();
} catch (IOException e) {
e.printStackTrace();
} |
