ÇëÎÊÒ»¸ö¼òµ¥µÄÎÊÌâ.
ÔÚPERLÖÐÒªÔËÐÐÒ»¸ö³ÌÐòÎļþÓ¦¸ÃʹÓõÄÓï¾äÊÇʲô?Óï·¨ÊÇÔõôÑùµÄ?лл. system ?
qx ?
`` ? ÎÒÒ²ÏëÖªµÀ,µ«ÎÒ¿´²»¶®Â¥ÉϵÄ˵ʲô. ¿´²»¶®£¿Ç¿ÁÒ½¨ÒéÕÒЩ Perl ÈëÃŵÄÊé¿´¿´ ÎÒÕýÔÚ¿´Ò»±¾ºÜ»ù´¡µÄÊé,µ«ÊéÉϺÃÏñû˵ÓÐ,ÇëÀÏ´óÃ÷ʾ. [code]
#!/usr/bin/perl -w
use strict;
system("echo hello world 1");
print qx(echo hello world 2);
print `echo hello world 3`;
[/code] exec "date";
die "date couldn't run:$!";
Ò³:
[1]