perl the complete reference second edition phần 10 doc

... substituting underscores 1102 Perl: The Complete Reference 1124 Perl: The Complete Reference addhistory(EXPR) adds EXPR to the history of input lines. IN OUT returns the filehandles for input ... Team-Fly ® 109 0 Perl: The Complete Reference Constant Description _exit Exits the current process. abort Aborts the current script, sending the ABRT signal to the...

Ngày tải lên: 13/08/2014, 22:21

... . . 101 6 Contents xxvii xxxvi Perl: The Complete Reference What’s Changed Since the First Edition? Beyond the obvious updates and fixes for the newer versions of Perl, we’ve also changed the ... advantages: Because there is no compilation process, the development of interpreted code should 8 Perl: The Complete Reference Introduction xxxix profile of your script, a...

Ngày tải lên: 13/08/2014, 22:21

... 108 Perl: The Complete Reference $^T $BASETIME The time at which the script started running, defined as the number of seconds since the epoch. $^V $PERL_ VERSION The current revision, ... as a method 104 Perl: The Complete Reference $$ $PID $PROCESS_ID The process number of the Perl interpreter executing the current script. $< $UID $REAL_USER_ID The rea...

Ngày tải lên: 13/08/2014, 22:21

... on the left based on the regular expression on the right. The second operator, !~, is for matches only and is the exact opposite: it returns true only if the value on the left does not match the ... of papers. Index 0 of the array is the bottom of the stack, and the last element is the top. You can put new pieces of paper on the top of the stack (push), or put...

Ngày tải lên: 13/08/2014, 22:21

... compiling the perlmain.c file. The default is to use the value of $(CC). PERL_ ARCHLIB A string defining the libraries to be used for building the Perl binary. PERL_ LIB A string specifying the directory ... does). PERL A string containing the location of a Perl binary capable of doing the tasks normally executed by the miniperl binary created during a Perl build....

Ngày tải lên: 13/08/2014, 22:21

... deallocated. 338 Perl: The Complete Reference 364 Perl: The Complete Reference will not lock; but because they use the same send-receive system, once they have both sent information, they will both ... seconds to the current time and drop out of the loop when that value is reached. If the calculation is made at the end of the second, the actual time could be anyth...

Ngày tải lên: 13/08/2014, 22:21

... I suggest you refer to the man pages for more information on these functions. 478 Perl: The Complete Reference 482 Perl: The Complete Reference -c Checks the syntax of the script without executing ... from the outside world into the data structures within a Perl script. The second threat is from the execution of a specific feature of Perl that might otherwise...

Ngày tải lên: 13/08/2014, 22:21

... this just by using the normal redirection operators within the shell; for example: $ roman.cgi 2>roman.err 606 Perl: The Complete Reference 592 Perl: The Complete Reference Other fields in Table ... receive. The header includes information such as the content length, encoding, and so on. It then sends the actual document back to the browser. The two elements the...

Ngày tải lên: 13/08/2014, 22:21

... here. For more information on the ActivePerl debugger, see the online documentation that comes with the Perl Development Kit, the Debugging Perl book, or the ActivePerl Developer’s Guide book—see ... '1' inhibit_exit = '1' 742 Perl: The Complete Reference The basic features of the ActivePerl debugger are essentially identical to those of the core...

Ngày tải lên: 13/08/2014, 22:21

... constructs in the Perl code. It is used as a backend to the Perl compiler. $ perl -MO=Lint foobar.pl References See O; Chapter 22 B::Showlex A Perl compiler backend, used with the O module. The module ... systems. 960 Perl: The Complete Reference TEAMFLY Team-Fly ®...

Ngày tải lên: 13/08/2014, 22:21