…gits. These variables are used for all kinds of purposes, and are documented in perlvar . The only one you need to know about for now is $_ which is the "default variable". It's used as the default argument to a number of functions in Perl, and it's set implicitly by certain loop…

…ect Methods"> A section is started by the named heading or item. For example, L<perlvar/$.> or L<perlvar/"$."> both link to the section started by " =item $. " in perlvar. And L<perlsyn/For Loops> or L<perlsyn/"For Loops"> both link to the section started by " =head2 For Loops " …

… See "Compound Statements" in perlsyn and "Scoping Rules of Regex Variables" in perlvar for more details. You can access the contents of a capture group by absolute number (using "$1" instead of "\g1" , etc ); or by name via the %+ hash, using "$+{ name }" . Braces are required i…

… See "Compound Statements" in perlsyn and "Scoping Rules of Regex Variables" in perlvar for more details. You can access the contents of a capture group by absolute number (using "$1" instead of "\g1" etc ); or by name via the %+ hash, using "$+{ name }" Braces are required in re…

…ng under the debugger: if ( $^P ) { # running under the debugger } See "$^P" in perlvar for more information on the variable. # Debugger Commands The interactive debugger understands the following commands: # h Prints out a summary help message # h [command] Prints out a help mes…

… does comma separated groups do? See $EFFECTIVE_GROUP_ID in the manual page for perlvar Default: munin env.var <variable content> Will cause the environment variable <var> to be set to <contents> when running the plugin. More than one env line may exist. See the individual plugin…