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| No Format |
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hama > a = load 'fileA' as matrix using bulkload.class map 10; hama > b = load 'fileB' as matrix; hama > c = a; hama > d = (a+b) * (c+a) map 20 reduce 1; hama > save d as 'fileD' |
Grammar
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<hamascript><hamaexpression> := <expr> ";" <expr> := [<alias><IDENTIFIER> "="] <baseexpr><basicoperation> ["MAP" <integer>] ["REDUCE" <integer>] | "SAVE" <IDENTIFIER> "AS" <saveexpr><filename> <baseexpr><basicoperation> := <operationexpr><algebraop> | "LOAD" <loadexpr><loadop> | <randmatrixop> <operationexpr><loadop> := <alias> | <operationexpr> <operations> <operationexpr> | "(" <operationexpr> ")" <operations> := "LOAD" <filename> "AS" <typename> "USING" <classname> <randmatrixop> := "MATRIX.RANDOM" <integer> <integer> <algebraop> := <additiveop> <additiveop> := <multiplicationop> ( ( "+" | "-" ) |<multiplicationop> ")*" <loadexpr><multiplicationop> := <unaryop> <filename>( "as*" <type> ["USING" <loadclass> ["MAP" <integer>] ["REDUCE" <integer>] ] <type><unaryop> )* <unaryop> := "(" <additiveop> ")" | <IDENTIFIER> <typename> := "matrix" <loadclass><filename> := <quotedstring> <saveexpr> := <alias> "as" <filename> <filename><classname> := <quotedstring> <quotedstring> := "'"<string>"'" |
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