请高手来解读下面的几行脚本~~~~本人对脚本没任何概念<br />

　　Perl code

　　use strict; use File::Basename; use File::Find; use webkitdirs; use webkitperl::features; use POSIX; sub cMakeArgsFromFeatures(); sub checkForJavaSDK(); sub formatBuildTime($); my $originalWorkingDirectory = getcwd(); chdirWebKit(); my $showHelp = 0; my $clean = 0; my $minimal = 0; my $v8 = 0; my $installHeaders; my $installLibs; my $prefixPath; my $makeArgs = ""; my $noWebKit2 = 0; my $startTime = time();