Suppress eval out put in "units.m"

[Mech.Mon]

Hello all,

I modified units.m to work on my system, now it works but the "eval ("
statement always prints now. Any way to suppress this output? For example:

14:49:04 :35> z= units("kg/m^3", "lb/ft^3", [996.2018,997.2018,998.2018])
y =

   62.191   62.253   62.316

z =

   62.191   62.253   62.316

14:49:18 :36>



function y = units(fromUnit, toUnit, x)
    if 2 > nargin || 3 < nargin || !ischar(fromUnit) || !ischar(toUnit)
        usage('units(fromUnit, toUnit [, x])')
    endif
    [status, rawoutput] = system(sprintf('C:\\GnuWin32\\bin\\units "%s"
"%s"', fromUnit, toUnit), 1);
    (0 == status) || error([rawoutput,
        'Verify that GNU units is installed in the current path.']);
    
    i = index(rawoutput, "*");
    j = index(rawoutput, "\n") - 1;
    i && (i < j) || error('parsing units output "%s"', rawoutput);

    exist("x", "var") || (x = 1);
        
    ###eval(['y=x', rawoutput(i:j), ';']);<---------Throws parse error
    eval(['y=x', rawoutput(i:j)]);#works but displays "y = ...."
endfunction


Regards,
Mon

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