System Benchs Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 18955468.4 1624.3
Double-Precision Whetstone 55.0 2489.0 452.5
Execl Throughput 43.0 2033.8 473.0
File Copy 1024 bufsize 2000 maxblocks 3960.0 349619.4 882.9
File Copy 256 bufsize 500 maxblocks 1655.0 99537.8 601.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 817542.9 1409.6
Pipe Throughput 12440.0 900532.5 723.9
Pipe-based Context Switching 4000.0 187964.4 469.9
Process Creation 126.0 5752.6 456.6
Shell Scripts (1 concurrent) 42.4 2518.2 593.9
Shell Scripts (8 concurrent) 6.0 317.3 528.8
System Call Overhead 15000.0 1253825.8 835.9
========
System Benchs Index Score 684.7
从这个输出中提取最后一行的684.7这个数,正则该怎么写哇?
Dhrystone 2 using register variables 116700.0 18955468.4 1624.3
Double-Precision Whetstone 55.0 2489.0 452.5
Execl Throughput 43.0 2033.8 473.0
File Copy 1024 bufsize 2000 maxblocks 3960.0 349619.4 882.9
File Copy 256 bufsize 500 maxblocks 1655.0 99537.8 601.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 817542.9 1409.6
Pipe Throughput 12440.0 900532.5 723.9
Pipe-based Context Switching 4000.0 187964.4 469.9
Process Creation 126.0 5752.6 456.6
Shell Scripts (1 concurrent) 42.4 2518.2 593.9
Shell Scripts (8 concurrent) 6.0 317.3 528.8
System Call Overhead 15000.0 1253825.8 835.9
========
System Benchs Index Score 684.7
从这个输出中提取最后一行的684.7这个数,正则该怎么写哇?
if (line.startsWith("System Benchs")) {
String tmp = line.replaceAll("[a-zA-Z]|\\s", "");
double num = Double.valueOf(tmp);
}
for example
String s = "System Call Overhead 15000.0 1253825.8 835.9\n"
+ "========\n"
+ "System Benchs Index Score 684.7";
String[] sa = s.split("\n");
Pattern p = "\\d+([.]\\d+)?";
Matcher m = p.macher(sa[sa.length-1]);
while (m.find()) {
System.out.println(m.group());
}