NAME

Devel::MAT::Tool::Show - show information about a given SV

DESCRIPTION

This Devel::MAT tool provides a command that prints interesting information from within an SV. Its exact output will depend on the type of SV it is applied to.

COMMANDS

show

pmat> show 0x1bbf598
IO() at 0x1bbf598 with refcount 2
  blessed as IO::File
  ifileno=2
  ofileno=2

Prints information about the given SV.

elems

pmat> elems endav
  [0] CODE(PP) at 0x562e93222dc8

Prints elements of an ARRAY SV.

Takes the following named options:

--count, -c MAX

Show at most this number of elements (default 50).

--start, -s COUNT

Start at the given index.

values

pmat> values defstash
  {"\b"}                GLOB($%*) at 0x562e93114eb8
  {"\017"}              GLOB($*) at 0x562e9315a428
  ...

Prints values of a HASH or STASH SV.

Takes the following named options:

--count, -c MAX

Show at most this number of values (default 50).

--skip, -s COUNT

Skip over this number of keys initially before starting to print.

--no-sort, -n

Don't bother to sort keys before printing. Keys will be printed in no particular order (though the order will at least be stable between successive invocations of the command during the same session).

Takes the following positional arguments:

  • Optional filter pattern. If present, will only count and display keys matching the given regexp. Must be specified in the form /PATTERN/ with optional trailing flags. The only permitted flags are adilmsux.

AUTHOR

Paul Evans <leonerd@leonerd.org.uk>