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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
//
// 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 dispfiles(unit)
    [lhs,rhs]=argn()
    if rhs==0 then
        [units,typ,nams,mod,swap]=file()
    else
        units=[],typ=[],nams=[],mod=[],swap=[]
        for k=1:size(unit,"*")
            [uk,tk,nk,mk,sk]=file(unit(k))
            units=[units;uk],
            typ=[typ;tk],
            nams=[nams;nk],
            mod=[mod;mk],
            swap=[swap;sk]
        end
    end

    n=size(units,"*")
    info=emptystr(n,1)
    for k=1:n
        if units(k)==5 then nams(k)="Input",end
        if units(k)==6 then nams(k)="Output",end
        a=int(mod(k)/100)
        b=int((mod(k)-100*a)/10)
        c=int((mod(k)-100*a-10*b))
        if typ(k)=="F" then //fortran file
            typ(k)="F77"
            select c
            case 0 then
                info(k)=info(k)+"new "
            case 1 then
                info(k)=info(k)+"old "
            case 2 then
                info(k)=info(k)+"scratch "
            case 3 then
                info(k)=info(k)+"unknown "
            end
            if a==0 then
                info(k)=info(k)+"formatted "
            else
                info(k)=info(k)+"unformatted "
            end
            if b==0 then
                //info(k)=info(k)+' '
            else
                info(k)=info(k)+"direct "
            end
        else //C file
            select a
            case 1 then
                info(k)=info(k)+"r "
            case 2 then
                info(k)=info(k)+"w "
            case 3 then
                info(k)=info(k)+"a "
            end
            if b==1 then info(k)=info(k)+"+ ",end
            if c==1 then info(k)=info(k)+"b ";end
            if swap(k)<>0 then info(k)=info(k)+"swap=on";end
        end
    end
    tab=["File name" "Unit" "Type" "Options";
    nams(:) string(units(:)) typ(:) info]
    t=emptystr(n+1,1)+"|"
    for k=1:size(tab,2)
        t=t+part(tab(:,k),1:max(length(tab(:,k))))+"|"
    end
    t=[t(1);"|"+part("-",ones(1,max(length(t))-2))+"|";t(2:$)]
    write(%io(2),t,"(a)")
endfunction