Difference between revisions of "$Lstr Right"

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Revision as of 22:35, 19 February 2015

Rightmost characters of a longstring

Note: Most Sirius $functions have been deprecated in favor of Object Oriented methods. The OO equivalent for the $Lstr_Right function is the Right function.

This function takes a string or longstring input and produces the rightmost characters of the input, possibly padded to an indicated length.

The $Lstr_Right function accepts three arguments and returns a string result.

The first argument is an arbitrary string or longstring. This is a required argument.

The second argument is a number between 1 and 2**31-1 that indicates the result length. This is a required argument.

The third argument is a string containing a single character to be used as the pad character if the result length is longer than the string specified by argument one. This is an optional argument and defaults to a blank.


%result = $Lstr_Right(longstring, len, pad)

%result is the rightmost characters of the input longstring, padded with the pad character if necessary.

Usage notes

  • $Lstr_Right acts very much like $PAD except:
    • The target length and pad character arguments are reversed.
    • It cancels the request if the result target is too short to hold the result.
    • It cancels the request if the pad character argument is longer than one byte.
    • It can operate on LONGSTRING inputs.
    • It produces a LONGSTRING output.


  1. To set %BIG to all:

    %BIG = $Lstr_Right('McGonagall', 3)

  2. To set %BIG to 290 question marks followed by Dumbledore:

    %BIG = $Lstr_Right('Dumbledore', 300, '?')

Products authorizing $Lstr_Right