已知attention文件内容如下:
drwxr-xr-x 2 Jancy 4096 Oct 2 08:02 testa
drwxr-xr-x 2 Lily 4096 Oct 3 10:17 testb
drwxr-xr-x 2 Jancy 4096 Oct 4 12:03 testc
drwxr-xr-x 2 Jancy 4096 Otc 5 14:30 testd
drwxr-xr-x 2 Jane 4096 Otc 6 06:56 tests
仔细查看下列程序,输出结果是什么?
open(IN,"<attention");
while (<IN>){
chomp;
if($_=~/drwxr-xr-x\s+\d+\s+Jancy\s+\d+\s+Otc\s+(\d+)\s+14:30\s+(.+)$/){
if($1>4){
print "$2";
} else {
print "no";
}
}
}