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fstring(format, argument1 [, argument2 …,
/skip_undefined])
Transforms the arguments to an ascii string under guidance of c-format
string format. The arguments are modified to suit the data
types expected according to the format. If keyword
/skip_undefined is specified, then undefined arguments (and the
format entries corresponding to them) are skipped. This is useful if
the number of arguments to fstring is not known exactly in
advance.
Alias: sprintf
See also: string, fprint, Output Data Formats