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README.md

perl-debugger

Perl Debugger class

Features

  • Log method to log strings and scalar variables
  • Dump method to inspect data structures, objects and other variables
  • Provide stacktraces
  • Provide timing
    • Script
    • Methods only
    • Arbitrary points
  • A pure perl library

How to use

All you need to do is import the library by putting this in your script: use Debugger;

Constructor arguments

log_file => path/to/debug/file

This is optional and defaults to debug.log where the script is stored.

Examples

Object instantiation

my $debug = new Debugger();

Or my $debug = new Debugger({ 'log_file' => '/path/to/debug/file' });

Log a message or scalar variable

my $x = "some text in this variable";
$debug->log($x);

Will output some text in this variable into the log file.

Dump an object or variable

Example 1
my @lines = get_lines();

$debug->dump(\@lines);

Will output the contents of @lines to the log file.

Example 2
my $class = new Some::Class();
$debug->dump($class);

Time a script

# Top of script
my $debug = new Debugger(); # <- Time starts from constructor

... rest of script

$debug->timestamp(); # <- Provides time difference from constructor to this point and logs it

Provide a stacktrace

sub a_function_nested_deeply {
	my $self = shift;

	$debug->stacktrace(); # <- Provide how we got here via stacktrace;
}

Output a counter

my $debug = new Debugger();

while ($meets_criteria) {
	$debug->counter();

	$meets_criteria = check_criteria();
}

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Perl Debugger class

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