rtrim

function rtrim( str ) --> nstr

Description

The rtrim function returns the string stripped of whitespace from the right side.

Parameters

str

The string that should be trimmed.

Return Values

nstr

A trimmed version of the assigned parameter string.

Code

--ZFUNC-rtrim-v1
local function rtrim( str ) --> nstr
   local n = str:find( "%S%s*$" )
   return n and str:sub( 1, n ) or ""
end

return rtrim

Examples

--ZFUNC-rtrim-v1
local function rtrim( str ) --> nstr
   local n = str:find( "%S%s*$" )
   return n and str:sub( 1, n ) or ""
end

return rtrim

Inspired by