chapter25/docs/examples/Capitalize.smp


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// An implementation of
// https://sampleprograms.io/projects/capitalize/

val main = { u8[~][] args ->
    if( args# > 2 ) {
        sys.io.p("Use quotes around multiple strings.\n");
        return 0;
    }
    if( args# != 2 || args[1]# == 0 ) {
        sys.io.p("Usage: please provide a string\n");
        return 0;
    }

    u8[~] input = args[1];
    var output = new u8[input# + 1];
    sys.ary.copy(output,0,input,0,input#);
    output[0] = sys.char.toupper(input[0]);
    output[input#] = '\n';
    sys.io.p(output);
    return 0;
};