编辑代码

use IPC::Open3;

local(*HIS_IN, *HIS_OUT, *HIS_ERR);
$cmd ="dir";
@args= "./" ; 
$childpid = open3(*HIS_IN, *HIS_OUT, *HIS_ERR, $cmd, @args);
print HIS_IN "stuff\n";
close(HIS_IN);            # Give end of file to kid.
@outlines = <HIS_OUT>;    # Read till EOF.
@errlines = <HIS_ERR>;    # XXX: block potential if massive
print "STDOUT:\n", @outlines, "\n";
print "STDERR:\n", @errlines, "\n";
close HIS_OUT;
close HIS_ERR;
waitpid($childpid, 0);
if ($?) {
    print "That child exited with wait status of $?\n";
}  # 在线好像可以运行 ！！！