'''ccollate''' is a command within the [Tclx] package. : '''ccollate''' ?'''-local'''? ''string1 string2'' This command compares two strings. It returns -1 if ''string1'' is less than ''string2'', 0 if they are equal and 1 if ''string1'' is greater than ''string2''. If '''-local''' is specified, the strings are compared according to the collation environment of the current locale. ---- This command at one point did not work with binary or UTF data. If locale-aware processing is not required, consider using [string compare]. <> Command | TclX