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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) - 2013 - Samuel GOUGEON
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
function r = %p_part(txt, s)
// Allows calls such as: part(txt, [ 2 $ 3:4 $-1])
// with un-ranging implicit size $ standing for length(txt)
// Calls with ranging $ (ex: 3:$ ) are implemented with %ip_part()
//
// txt may be a matrix of texts with different lengths
// => $ might have not the same value for all elements of txt.
if varn(s)~="$" then
msg = _("%s: $ is the only implicit variable supported in selected indices")
error(msprintf(msg,"part"))
end
L = length(txt)
U = unique(L)
r = emptystr(txt)
for u = U(:)'
j = 1:u
k = find(L==u)
r(k) = part(txt(k), horner(s(:)',u))
end
endfunction
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