X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pod%2Fperl.pod;h=5f3918c4c9c539c3ea9ce91df2027fe0c43bb7f0;hb=b59e3c8c16148102abaa610a4415d82ccf3208b7;hp=9306d5c9c77579cd09df28b801f990e28181be4a;hpb=a0d0e21ea6ea90a22318550944fe6cb09ae10cda;p=p5sagit%2Fp5-mst-13.2.git diff --git a/pod/perl.pod b/pod/perl.pod index 9306d5c..5f3918c 100644 --- a/pod/perl.pod +++ b/pod/perl.pod @@ -8,6 +8,7 @@ For ease of access, the Perl manual has been split up into a number of sections: perl Perl overview (this section) + perltoc Perl documentation table of contents perldata Perl data structures perlsyn Perl syntax perlop Perl operators and precedence @@ -17,8 +18,11 @@ of sections: perlvar Perl predefined variables perlsub Perl subroutines perlmod Perl modules - perlref Perl references and nested data structures + perlref Perl references + perldsc Perl data structures intro + perllol Perl data structures: lists of lists perlobj Perl objects + perltie Perl objects hidden behind simple variables perlbot Perl OO tricks and examples perldebug Perl debugging perldiag Perl diagnostic messages @@ -27,15 +31,33 @@ of sections: perlsec Perl security perltrap Perl traps for the unwary perlstyle Perl style guide - perlapi Perl application programming interface + perlxs Perl XS application programming interface + perlxstut Perl XS tutorial perlguts Perl internal functions for those doing extensions perlcall Perl calling conventions from C - perlovl Perl overloading semantics + perlembed Perl how to embed perl in your C or C++ app + perlpod Perl plain old documentation perlbook Perl book information (If you're intending to read these straight through for the first time, the suggested order will tend to reduce the number of forward references.) +Additional documentation for Perl modules is available in the +F directory. Some of this is distributed standard with +Perl, but you'll also find third-party modules there. You should be able +to view this with your man(1) program by including the proper directories +in the appropriate start-up files. To find out where these are, type: + + perl -le 'use Config; print "@Config{man1dir,man3dir}"' + +If the directories were F and F, +you would only need to add F to your MANPATH. If +they are different, you'll have to add both stems. + +If that doesn't work for some reason, you can still use the +supplied F script to view module information. You might +also look into getting a replacement man program. + If something strange has gone wrong with your program and you're not sure where you should look for help, try the B<-w> switch first. It will often point out exactly where the trouble is. @@ -184,7 +206,12 @@ used. A colon-separated list of directories in which to look for Perl library files before looking in the standard library and the current -directory. If PERL5LIB is not defined, PERLLIB is used. +directory. If PERL5LIB is not defined, PERLLIB is used. When running +taint checks (because the script was running setuid or setgid, or the +B<-T> switch was used), neither variable is used. The script should +instead say + + use lib "/my/directory"; =item PERL5DB @@ -198,7 +225,6 @@ A colon-separated list of directories in which to look for Perl library files before looking in the standard library and the current directory. If PERL5LIB is defined, PERLLIB is not used. - =back Apart from these, Perl uses no other environment variables, except @@ -213,7 +239,7 @@ honest: =head1 AUTHOR -Larry Wall , with the help of oodles of other folks. +Larry Wall EE, with the help of oodles of other folks. =head1 FILES @@ -223,6 +249,7 @@ Larry Wall , with the help of oodles of other folks. =head1 SEE ALSO a2p awk to perl translator + s2p sed to perl translator =head1 DIAGNOSTICS @@ -247,9 +274,10 @@ switch? The B<-w> switch is not mandatory. Perl is at the mercy of your machine's definitions of various -operations such as type casting, atof() and sprintf(). +operations such as type casting, atof() and sprintf(). The latter +can even trigger a coredump when passed ludicrous input values. -If your stdio requires an seek or eof between reads and writes on a +If your stdio requires a seek or eof between reads and writes on a particular stream, so does Perl. (This doesn't apply to sysread() and syswrite().) @@ -259,6 +287,11 @@ given identifier may not be longer than 255 characters, and no component of your PATH may be longer than 255 if you use B<-S>. A regular expression may not compile to more than 32767 bytes internally. +See the perl bugs database at F. You may +mail your bug reports (be sure to include full configuration information +as output by the myconfig program in the perl source tree) to +F. + Perl actually stands for Pathologically Eclectic Rubbish Lister, but don't tell anyone I said that. @@ -267,5 +300,6 @@ don't tell anyone I said that. The Perl motto is "There's more than one way to do it." Divining how many more is left as an exercise to the reader. -The three principle virtues of a programmer are Laziness, +The three principal virtues of a programmer are Laziness, Impatience, and Hubris. See the Camel Book for why. +