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+ SequenceableCollection {
// array[row][col]
*newFromFile { arg path, columnSeparator=$ , rowSeparator=$\n;
var obj, file, char, line;
file = File.new(path, "r");
if( file.isOpen == false, { ^nil });
obj = this.new;
char = file.getChar;
while({ char.notNil },{
line = "";
// skip past tabs and spaces at start of new line
while({(char == $ ) || (char == $\t)}, {
char = file.getChar;
});
// read a line in
while({ (char!=rowSeparator) && (char!=$\r) && char.notNil }, {
line = line ++ char;
char = file.getChar;
});
char = file.getChar;
obj = obj.add(line.split(columnSeparator));
});
file.close;
^obj
}
writeFile{ arg path, columnSeparator=$ , rowSeparator=$\n;
var file, line, lastRow;
file = File.new(path, "w");
if( file.isOpen == false, { ^nil });
lastRow = this.size - 1;
this.size.do({ arg row;
line = this[row][0].asString;
if(this[row].size > 1, {
for(1, this[row].size-1, { arg col;
line = line ++ columnSeparator ++ this[row][col].asString;
});
});
// the last row doesn't need a separator
if(row != lastRow, {
line = line ++ rowSeparator;
});
file.write(line);
});
file.close;
}
}
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