String and Label Functions

These are functions which work with strings and labels.

%bestrep(A,n)	“Best” representation
%concat(first,last)	Concatenate two labels
%datelabel(t)	Date label for a given date/entry number
%l(series)	Get label of a series
%label(variable)	Get label of a series or other variable
%left(s,n)	Left substring
%mid(s,m,n)	Middle substring
%minimalrep(A,n)	Determines “minimal” representation
%right(s,n)	Right substring
%s(label)	Get (or create) series with a given label
%strcmp(s1,s2)	Compare two strings (case-sensitive comparison)
%strcmpnc(s1,s2)	Compare two strings disregarding case
%strescape(s,chars,escape)	Returns copy of string with special characters "escaped"
%strfind(s,f)	Searchs s for string f, returning position if found, 0 if not
%string(n)	Convert integer value to a string
%strlen(s)	Returns the length of a string
%strlower(s)	Convert string to lower case
%strrep(s,n)	Repeats a string
%strtrim(s)	Returns a copy of a string with leading and trailing spaces and quotes removed
%strupper(s)	Convert string to upper case
%strval(x,f)	String showing a numerical value
%value(s)	Get numeric value from a string