[root@node01 0413]# time perl a2.pl
real 2m57.885s
user 0m0.497s
sys 0m0.093s
[root@node01 0413]# ls -ltr
total 1456
-rw-r--r-- 1 root root 1927 Feb 26 07:18 a1.pl
-rw-r--r-- 1 root root 1695 Feb 26 07:20 a2.pl
-rw-r--r-- 1 root root 102655 Feb 26 07:23 1.txt
-rw-r--r-- 1 root root 100631 Feb 26 07:23 2.txt
-rw-r--r-- 1 root root 101847 Feb 26 07:24 3.txt
-rw-r--r-- 1 root root 100288 Feb 26 07:24 5.txt
-rw-r--r-- 1 root root 101228 Feb 26 07:24 6.txt
-rw-r--r-- 1 root root 101605 Feb 26 07:24 7.txt
-rw-r--r-- 1 root root 101919 Feb 26 07:25 8.txt
-rw-r--r-- 1 root root 101897 Feb 26 07:25 9.txt
-rw-r--r-- 1 root root 101749 Feb 26 07:25 10.txt
-rw-r--r-- 1 root root 102083 Feb 26 07:25 11.txt
-rw-r--r-- 1 root root 102381 Feb 26 07:25 12.txt
-rw-r--r-- 1 root root 89726 Feb 26 07:26 13.txt
-rw-r--r-- 1 root root 119149 Feb 26 07:26 14.txt
-rw-r--r-- 1 root root 137142 Feb 26 07:26 15.txt
[root@node01 0413]# sum *.txt
54507 100 10.txt
38754 100 11.txt
62332 100 12.txt
42359 88 13.txt
12490 117 14.txt
10142 134 15.txt
44426 101 1.txt
09497 99 2.txt
46261 100 3.txt
41958 98 5.txt
51718 99 6.txt
46311 100 7.txt
41012 100 8.txt
46713 100 9.txt
[root@node01 0413]# time perl a1.pl
$c====Parallel::ForkManager
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/2757485/1 1.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/2757485/2 2.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/3 7.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/1 5.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/2 6.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/5 9.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/9 13.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/6 10.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/8 12.txt
$linkarray=== http://bbs.chinaunix.net/forum.php?mod=viewthread&tid=4252654&pid=24595811&page=1 15.txt
$linkarray=== https://blog.csdn.net/zhaoyangjian724/article/details/77947115 14.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/4 8.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/1756685/7 11.txt
$linkarray=== http://blog.csdn.net/zhaoyangjian724/article/category/2757485/3 3.txt
real 0m21.153s
user 0m2.865s
sys 0m0.497s
[root@node01 0413]# sum *.txt
58496 100 10.txt
14553 100 11.txt
64454 100 12.txt
38268 88 13.txt
17959 117 14.txt
17083 134 15.txt
54946 101 1.txt
24405 99 2.txt
32552 100 3.txt
40290 98 5.txt
30174 99 6.txt
10822 100 7.txt
06389 100 8.txt
45862 100 9.txt