What does this mean '$^0'? tell briefly plse..

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loginprompt

  • Jun 20th, 2006
 

It is a formatter, print it in double quotes to see what I mean.

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Prerna Laad

  • Jul 7th, 2006
 

$^ - Holds the name of the default heading format for the default file handle. Normally, it is equal to the file handle's name with _TOP appended to it.

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Swapnil

  • Aug 20th, 2006
 

Hi friends,

                According to the book "Perl core language-Little black book" $^0 holds the name of the operating system for which the current perl was built.

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Jey

  • Nov 13th, 2006
 

STDOUT_TOP is the output if we print "'$^0" in a console.

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Yogesh

  • Sep 14th, 2016
 

$^O prints the os name and $^0 prints the default heading format

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komal

  • Sep 29th, 2016
 

$^0 print OS name

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