NAME
Dumpvalue - provides screen dump of Perl data.
SYNOPSIS
use Dumpvalue; my $dumper = Dumpvalue->new; $dumper->set(globPrint => 1); $dumper->dumpValue(\*::); $dumper->dumpvars('main'); my $dump = $dumper->stringify($some_value);
DESCRIPTION
Creation
A new dumper is created by a call
$d = Dumpvalue->new(option1 => value1, option2 => value2)
Recognized options:
-
arrayDepth
,hashDepth
Print only first N elements of arrays and hashes. If false, prints all the elements.
-
compactDump
,veryCompact
Change style of array and hash dump. If true, short array may be printed on one line.
-
globPrint
Whether to print contents of globs.
-
dumpDBFiles
Dump arrays holding contents of debugged files.
-
dumpPackages
Dump symbol tables of packages.
-
dumpReused
Dump contents of "reused" addresses.
-
tick
,quoteHighBit
,printUndef
Change style of string dump. Default value of
tick
isauto
, one can enable either double-quotish dump, or single-quotish by setting it to"
or'
. By default, characters with high bit set are printed as is. IfquoteHighBit
is set, they will be quoted. -
usageOnly
rudimentary per-package memory usage dump. If set,
dumpvars
calculates total size of strings in variables in the package. -
unctrl
Changes the style of printout of strings. Possible values are
unctrl
andquote
. -
subdump
Whether to try to find the subroutine name given the reference.
-
bareStringify
Whether to write the non-overloaded form of the stringify-overloaded objects.
-
quoteHighBit
Whether to print chars with high bit set in binary or "as is".
-
stopDbSignal
Whether to abort printing if debugger signal flag is raised.
Later in the life of the object the methods may be queries with get() method and set() method (which accept multiple arguments).
Methods
-
dumpValue
$dumper->dumpValue($value); $dumper->dumpValue([$value1, $value2]);
Prints a dump to the currently selected filehandle.
-
dumpValues
$dumper->dumpValues($value1, $value2);
Same as
$dumper->dumpValue([$value1, $value2]);
. -
stringify
my $dump = $dumper->stringify($value [,$noticks] );
Returns the dump of a single scalar without printing. If the second argument is true, the return value does not contain enclosing ticks. Does not handle data structures.
-
dumpvars
$dumper->dumpvars('my_package'); $dumper->dumpvars('my_package', 'foo', '~bar$', '!......');
The optional arguments are considered as literal strings unless they start with
~
or!
, in which case they are interpreted as regular expressions (possibly negated).The second example prints entries with names
foo
, and also entries with names which ends onbar
, or are shorter than 5 chars. -
set_quote
$d->set_quote('"');
Sets
tick
andunctrl
options to suitable values for printout with the given quote char. Possible values areauto
,'
and"
. -
set_unctrl
$d->set_unctrl('unctrl');
Sets
unctrl
option with checking for an invalid argument. Possible values areunctrl
andquote
. -
compactDump
$d->compactDump(1);
Sets
compactDump
option. If the value is 1, sets to a reasonable big number. -
veryCompact
$d->veryCompact(1);
Sets
compactDump
andveryCompact
options simultaneously. -
set
$d->set(option1 => value1, option2 => value2);
-
get
@values = $d->get('option1', 'option2');
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