Variable::Watcher Keep track of changes on my variables
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Variable::Watcher Tags

Perl module watcher track changes perl variable variable watcher

Variable::Watcher Description

Keep track of changes on my variables Variable::Watcher is a Perl module that allows you to keep track of mutations on my variables. It will record every mutation you do to a variable that is being Watched. You can retrieve these mutations as a list or as a big printable string, filtered by a regex if you like.This is a useful debugging tool when you find your my variables in a state you did not expect.See the CAVEATS section for the limitations of this approach.SYNOPSIS ### keep track of scalar changes my $scalar : Watch(s) = 1; ### keep track of array changes my @list : Watch(l) = (1); ### keep track of hash changes my %hash : Watch(h) = (1 => 2); ### retrieve individual mutations: my @stack = Variable::Watcher->stack; ### retrieve the mutation as a printable string my $string = Variable::Watcher->stack_as_string; ### flush the logs of all the mutations so far Variable::Watcher->flush; ### Set the default reporting filehandle (defaults to STDERR ### -- see the C section $Variable::Watcher::REPORT_FH = \*MY_FH; ### Make Variable::Watcher not print to REPORT_FH when running ### You will have to use the stack/stack_as_string method to ### retrieve the logs. See the C section $Variable::Watcher::VERBOSE = 0; Requirements: · Perl

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