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今天学习了rsync的同步操作，本打算往服务器同步一些数据，于是报了一下错误： ➜ ~ rsync -r /...
How come exec() doesn't return? (contributed by brian d foy) The "exec" function's job is to turn your process into another command and never to return. If that's not what you want to do, don't use "exec". :) If you want to run an external command and still keep your Perl...
When you use(), require() or do() a filename or a module, Perl gets a list of directories from the@INCvariable and searches them for the file it was requested to load. If the file that you want to load is not located in one of the listed directories, you have to tell Perl wher...
By convention you can use a leading underscore on names to informally indicate that they are internal and not for public use. There's a corresponding "no" command that un-imports symbols imported by use, i.e., it calls Module->unimport(LIST) instead of import(). do() While do() ...
If instead of the recommended GNU make you would like to use the system supplied make program then be sure to install the default rules file properly via the shell command: cp /samples/startup.mk /etc and be sure to also set the environment variable _C89_CCMODE=1 (exporting _C89_CC...
If your system throws an error like "Perl command not found," use your system's package manager to install it first. There are other ways of using Perl in Linux. You can write a Perl script directly in the terminal and run it immediately, without even saving it. ...
/usr/bin/perl use Tk; use Tk::Pod; my $m = new MainWindow; $m - Pod(-file = ColorEditor.pm); # or use command line path/filename: # $m - Pod(-file = $ARGV[0]); MainLoop; 互联网上的Perl/Tk资源 互联网上的Perl/Tk手册页 /~ptk/doc/index.html /~pvhp/ptk/doc/ /~pvhp...
#!/usr/bin/perl use Apache::FakeRequest ( ); use Book::Example ( ); my $r = Apache::FakeRequest->new('get_remote_host'=>'www.example.com'); Book::Example::handler($r); When you execute the script from the command line, you will see the following output as the body of the ...
HAS_TIMES PERLIO_LAYERS PERL_COPY_ON_WRITE PERL_DONT_CREATE_GVSV PERL_MALLOC_WRAP PERL_OP_PARENT PERL_PRESERVE_IVUV USE_64_BIT_ALL USE_64_BIT_INT USE_LARGE_FILES USE_LOCALE USE_LOCALE_COLLATE USE_LOCALE_CTYPE USE_LOCALE_NUMERIC USE_LOCALE_TIME USE_PERLIO USE_PERL_ATOF Built under linu...