numero: returns the positions of identifiers
In rbsb: set of ancillary functions

Description Usage Arguments Value Examples

Returns the positions of identifiers. From a reference set of identifiers returns the positions of some of them. If they don't belong to the list, an error is issued according to strict. If there are repetitions an error is issued or not according to repe.

1	numero(qui, dans, strict=TRUE, repe=TRUE)

`qui`	Identifiers the position of them is looked for. Must be a character or a numeric.
`dans`	The ordered vector of all identifiers. Must be a character or a numeric.
`strict`	Must `qui` be a subset of `dans`.
`repe`	Are repeatitions allowed?

A numeric vector of the positions. It is named with the identifiers. When the identifier does not belong to the list and strict is FALSE, NA values are returned.

 rbsb3k("RESET"); # needed only for R checking, to be forgotten
 numero(10:1, 1:10);
 numero(c("Z", "E", "P", "L", "I", "N"), LETTERS);
 numero(c("B", "o", "F", "!"), LETTERS, strict=FALSE);
 numero(c("B", "E", "B", "E"), LETTERS);